2025

• Flekkøy, Eirik Grude; Hansen, Alex; Eiser, Erika. (2025) Heat and super-diffusive melting fronts in unsaturated porous media. http://arxiv.org/abs/cond-mat
  Academic article
• Hansen, Alex; Sinha, Santanu. (2025) Thermodynamics-like Formalism for Immiscible and Incompressible Two-Phase Flow in Porous Media. Entropy
  Academic article
• Pedersen, Håkon; Hansen, Alex. (2025) Geometric structure of parameter space in immiscible two-phase flow in porous media. Frontiers in Physics
  Academic article
• Sousa, Carlos G. L.; Andrade, José S.; Moreira, André A.; Filho, Cesar I. N. Sampaio; Eiser, Erika; Hansen, Alex. (2025) Unlimited number of spanning clusters in three-dimensional percolation above the critical point. Physical Review Research (PRResearch)
  Academic article

2024

• Lima, Henrique A.; Luis, Edwin E. Mozo; Carrasco, Ismael S. S.; Hansen, Alex; Oliveira, Fernando A.. (2024) Geometrical interpretation of critical exponents. Physical Review E (PRE)
  Academic article
• Talon, Laurent; Hennig, Andreas Andersen; Hansen, Alex; Rosso, Alberto. (2024) Influence of the imposed flow rate boundary condition on the flow of Bingham fluid in porous media. Physical Review Fluids
  Academic article
• Sinha, Santanu; Méheust, Yves; Fyhn, Hursanay; Roy, Subhadeep; Hansen, Alex. (2024) Disorder-induced non-linear growth of fingers in immiscible two-phase flow in porous media. Physics of Fluids
  Academic article
• Krol, Quirine Eibhilin; Scherrer, Evan; Skuntz, Matthew; Codd, Sarah; Seymour, Joseph; Hansen, Alex. (2024) Rapid MRI profiling of liquid water content in snow: Melt and Stability during first wetting and rain on snow events. International Snow Science Workshops (ISSW) Proceedings
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2024) Immiscible Two-Phase Flow in Porous Media: Effective Rheology in the Continuum Limit. Transport in Porous Media
  Academic article
• Alzubaidi, Fatimah; McClure, James E.; Pedersen, Håkon; Hansen, Alex; Berg, Carl Fredrik; Mostaghimi, Peyman. (2024) The Impact of Wettability on the Co-moving Velocity of Two-Fluid Flow in Porous Media. Transport in Porous Media
  Academic article
• Hansen, Alex. (2024) Linearity of the Co-moving Velocity. Transport in Porous Media
  Academic article
• Hansen, Alex. (2024) Editorial: Editor’s challenge in interdisciplinary physics: what is interdisciplinary physics?. Frontiers in Physics
  Editorial
• Olsen, Kristian Stølevik; Hansen, Alex; Flekkøy, Eirik Grude. (2024) Hyper-Ballistic Superdiffusion of Competing Microswimmers. Entropy
  Academic article

2023

• Moura, Marcel; Hansen, Alex; Stoeac-Vlăduți, Mirela. (2023) POROUS MATTER. Void fractions in materials, ideas and society.
  Museum exhibition
• Hansen, Alex; Rosso, Alberto; Lanza, Federico. (2023) Optimal path for the flow of yield stress fluids. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Hansen, Alex; Flekkøy, Eirik Grude; Sinha, Santanu; Slotte, Per Arne. (2023) A statistical mechanics for immiscible and incompressible to-phase flow in porous media. Advances in Water Resources
  Academic article
• Fyhn, Hursanay; Sinha, Santanu; Hansen, Alex. (2023) Local statistics of immiscible and incompressible two-phase flow in porous media. Physica A: Statistical Mechanics and its Applications
  Academic article
• Pedersen, Håkon; Hansen, Alex. (2023) Parameterizations of immiscible two-phase flow in porous media. Frontiers in Physics
  Academic article
• Schimmenti, Vincenzo Maria; Lanza, Federico; Hansen, Alex; Franz, Silvio; Rosso, Alberto; Talon, Laurent. (2023) Darcy's law of yield stress fluids on a treelike network. Physical Review E (PRE)
  Academic article
• Fyhn, Hursanay; Sinha, Santanu; Hansen, Alex. (2023) Effective rheology of immiscible two-phase flow in porous media consisting of random mixtures of grains having two types of wetting properties. Frontiers in Physics
  Academic article
• Lanza, Federico; Sinha, Santanu; Hansen, Alex; Rosso, Alberto; Talon, Laurent. (2023) Transition from viscous fingers to foam during drainage in heterogeneous porous media. Physics of Fluids
  Academic article
• Cheon, Hyejeong; Fyhn, Hursanay; Hansen, Alex; Wilhelmsen, Øivind; Sinha, Santanu. (2023) Steady-State Two-Phase Flow of Compressible and Incompressible Fluids in a Capillary Tube of Varying Radius. Transport in Porous Media
  Academic article

2022

• Lanza, Federico; Rosso, Alberto; Talon, Laurent; Hansen, Alex. (2022) Non-Newtonian Rheology in a Capillary Tube with Varying Radius. Transport in Porous Media
  Academic article
• Feder, Jens; Flekkøy, Eirik Grude; Hansen, Alex. (2022) Physics of Flow in Porous Media. Cambridge University Press Cambridge University Press
  Textbook
• Hutt, Axel; Grüning, André; Hansen, Alex; Hartung, Thomas; Robeva, Raina. (2022) Editorial: Machine Learning in Natural Complex Systems. Frontiers in Applied Mathematics and Statistics
  Editorial
• Roy, Subhadeep; Pedersen, Håkon; Sinha, Santanu; Hansen, Alex. (2022) The Co-Moving Velocity in Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Hansen, Alex; Flekkøy, Eirik Grude; Sinha, Santanu; Slotte, Per Arne. (2022) A statistical mechanics framework for immiscible and incompressible two-phase flow in porous media. Advances in Water Resources
  Academic article

2021

• Kolstrup, Gitte Solveig; Aspaas, Per Pippin; Hansen, Alex; Haugen, Ole-Jørgen; Karlstrøm, Henrik; Røeggen, Anders. (2021) Felles publiseringstjeneste i UH-sektoren: Rapport fra arbeidsgruppe utnevnt av UHR-Bibliotek. UHR: Universitets- og høgskolerådet UHR: Universitets- og høgskolerådet
  Report
• Fromreide, Mads; Hansen, Alex. (2021) Predicting Motion Patterns Using Optimal Paths. Frontiers in Physics
  Academic article
• Hansen, Alex. (2021) 2021 Frontiers in Physics Editor's Pick. Frontiers Media S.A. Frontiers Media S.A.
  Academic anthology/Conference proceedings
• Kun, Ferenc; Hansen, Alex; Ray, Purusattam; Pradhan, Srutarshi. (2021) The Fiber Bundle. Frontiers Media S.A. Frontiers Media S.A.
  Academic anthology/Conference proceedings
• Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Crack localization and the interplay between stress enhancement and thermal noise. Physica A: Statistical Mechanics and its Applications
  Academic article
• Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Hansen, Alex. (2021) Fluid Meniscus Algorithms for Dynamic Pore-Network Modeling of Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics
  Academic literature review
• Hansen, Alex; Kun, Ferenc; Pradhan, Srutarshi; Ray, Purusattam. (2021) Editorial: The Fiber Bundle. Frontiers in Physics
  Editorial
• Fyhn, Hursanay; Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Rheology of Immiscible Two‐phase Flow in Mixed Wet Porous Media: Dynamic Pore Network Model and Capillary Fiber Bundle Model Results. Transport in Porous Media
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2021) Role of Pore-Size Distribution on Effective Rheology of Two-Phase Flow in Porous Media. Frontiers in water
  Academic article
• Debski, Wojciech; Pradhan, Srutarshi; Hansen, Alex. (2021) Criterion for Imminent Failure During Loading — Discrete Element Method Analysis. Frontiers in Physics
  Academic article
• Måløy, Knut Jørgen; Moura, Marcel; Hansen, Alex; Flekkøy, Eirik Grude; Toussaint, Renaud. (2021) Burst Dynamics, Upscaling and Dissipation of Slow Drainage in Porous Media. Frontiers in Physics
  Academic article
• Bering, Eivind; Hansen, Alex; Wijn, Astrid S. de. (2021) Stretching, breaking, and dissolution of polymeric nanofibres by computer experiments. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Charan, Harish; Hansen, Alex; Hentschel, H. George E.; Procaccia, Itamar. (2021) Aging and Failure of a Polymer Chain under Tension. Physical Review Letters
  Academic article
• Gjennestad, Magnus Aa.; Winkler, Mathias; Hansen, Alex. (2021) Correction to: Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media (Transport in Porous Media, (2020), 132, 2, (355-379), 10.1007/s11242-020-01395-z). Transport in Porous Media
  Errata
• Flekkøy, Eirik Grude; Hansen, Alex; Baldelli, Beatrice. (2021) Hyperballistic Superdiffusion and Explosive Solutions to the Non-Linear Diffusion Equation. Frontiers in Physics
  Academic article

2020

• Talon, Laurent; Hansen, Alex. (2020) Effective Rheology of Bi-viscous Non-newtonian Fluids in Porous Media. Frontiers in Physics
  Academic article
• Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2020) Phase transitions and correlations in fracture processes where disorder and stress compete. Physical Review Research (PRResearch)
  Academic article
• Winkler, Mathias; Gjennestad, Magnus Aashammer; Bedeaux, Dick; Kjelstrup, Signe; Cabriolu, Raffaela; Hansen, Alex. (2020) Onsager-symmetry obeyed in athermal mesoscopic systems: Two-phase flow in porous media. Frontiers in Physics
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2020) Flow-Area Relations in Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics
  Academic article
• Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Kjelstrup, Signe; Måløy, Knut Jørgen; Torsæter, Ole. (2020) Physics of Porous Media. Frontiers Media S.A. Frontiers Media S.A.
  Academic anthology/Conference proceedings
• Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen; Kjelstrup, Signe; Torsæter, Ole. (2020) Editorial: Physics of Porous Media. Frontiers in Physics
  Editorial
• Hansen, Alex; Flekkøy, Eirik Grude; Baldelli, Beatrice. (2020) Anomalous diffusion in systems with concentration-dependent diffusivity: exact solutions and particle simulations. Frontiers in Physics
  Academic article
• Gjennestad, Magnus Aashammer; Hansen, Alex; Kjelstrup, Signe; Wilhelmsen, Øivind. (2020) Modelling of two-phase equilibrium, stability and steady-state flow in porous media. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Hansen, Alex. (2020) The Three Extreme Value Distributions: An Introductory Review. Frontiers in Physics
  Academic literature review
• Gjennestad, Magnus Aashammer; Winkler, Mathias; Hansen, Alex. (2020) Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article

2019

• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Non-isothermal Transport of Multi-phase Fluids in Porous Media. Constitutive Equations. Frontiers of Physics
  Academic article
• Zhao, Benzhong; MacMinn, Christopher W.; Primkulov, Bauyrzhan K.; Chen, Yu; Valocchi, Albert J.; Zhao, Jianlin. (2019) Comprehensive comparison of pore-scale models for multiphase flow in porous media. Proceedings of the National Academy of Sciences of the United States of America (PNAS)
  Academic article
• Kjellstadli, Jonas Tøgersen; Hansen, Alex; Sudbø, Asle. (2019) Local versus Equal Load Sharing in the Fiber Bundle Model. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Kjellstadli, Jonas Tøgersen; Bering, Eivind; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part II: The Shielding Effect. Frontiers in Physics
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2019) Immiscible two-phase flow in porous media: Effective rheology in the continuum limit. arXiv.org
  Academic article
• Skjetne, Bjørn; Hansen, Alex. (2019) Implications of Realistic Fracture Criteria on Crack Morphology. Frontiers in Physics
  Academic article
• Roy, Subhadeep; Hansen, Alex; Sinha, Santanu. (2019) Effective rheology of two-phase flow in a capillary fiber bundle model. Frontiers in Physics
  Academic article
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Corrigendum: Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations [Front. Phys., 6, 150 (2019)] DOI: 10.3389/fphy.2018.00150. Frontiers in Physics
  Errata
• Pradhan, Srutarshi; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2019) Variation of Elastic Energy Shows Reliable Signal of Upcoming Catastrophic Failure. Frontiers in Physics
  Academic article
• Kjellstadli, Jonas Tøgersen; Bering, Eivind; Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part I: Apparent Stability. Frontiers in Physics
  Academic article
• Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Winkler, Mathias; Hansen, Alex; Flekkøy, Eirik Grude. (2019) Rheology of high-capillary number two-phase flow in porous media. Frontiers in Physics
  Academic article

2018

• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations. Cornell University Library Cornell University Library
  Report
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. The entropy production. Frontiers in Physics
  Academic article
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media; The entropy production,. Cornell University Library, Cornell University Library,
  Report
• Pradhan, Srutarshi; Hansen, Alex; Ray, Purusattam. (2018) A Renormalization Group Procedure for Fiber Bundle Models. Frontiers in Physics
  Academic article
• Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2018) Relations Between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Gjennestad, Magnus Aashammer; Vassvik, Morten; Kjelstrup, Signe; Hansen, Alex. (2018) Stable and efficient time integration of a dynamic pore network model for two-phase flow in porous media. Frontiers in Physics
  Academic article
• Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2018) Mesoscopic description of the equal-load-sharing fiber bundle model. Physical Review E (PRE)
  Academic article

2017

• Savani, Isha; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten; Sinha, Santanu; Hansen, Alex. (2017) Ensemble distribution for immiscible two-phase flow in porous media. Physical Review E (PRE)
  Academic article
• Savani, Isha; Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten. (2017) A Monte Carlo Algorithm for Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Sinha, Santanu; Bender, Andrew T; Danczyk, Matthew; Keepseagle, Kayla; Prather, Cody A; Bray, Joshua M. (2017) Effective Rheology of Two-Phase Flow in Three-Dimensional Porous Media: Experiment and Simulation. Transport in Porous Media
  Academic article
• Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2017) Relations between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media,. Cornell University Library, Cornell University Library,
  Report

2016

• Stormo, Arne; Lengliné, Olivier; Schmittbuhl, Jean; Hansen, Alex. (2016) Soft-Clamp Fiber Bundle Model and Interfacial Crack Propagation: Comparison Using a Non-linear Imposed Displacement. Frontiers in Physics
  Academic article

2015

• Flekkøy, Eirik Grude; Hansen, Alex. (2015) An effective medium derivation of the Cole-Cole relation for electric conductivity. Geophysics
  Academic article
• Sinha, Santanu; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2015) Local load-sharing fiber bundle model in higher dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hope, Sigmund Mongstad; Davy, Philippe; Maillot, Julien; Goc, Romain Le; Hansen, Alex. (2015) Topological impact of constrained fracture growth. Frontiers in Physics
  Academic article
• Hope, Sigmund Mongstad; Kundu, Sumanta; Roy, Chandreyee; Manna, S. S.; Hansen, Alex. (2015) Network topology of the desert rose. Frontiers in Physics
  Academic article
• Flovik, Vegard; Sinha, Santanu; Hansen, Alex. (2015) Dynamic Wettability Alteration in Immiscible Two-phase Flow in Porous Media: Effect on Transport Properties and Critical Slowing Down. Frontiers in Physics
  Academic article
• Linga, Gaute; Ballone, Pietro; Hansen, Alex. (2015) Creep rupture of fiber bundles: A molecular dynamics investigation. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2015) The Fiber Bundle Model Modeling Failure in Materials. Wiley-VCH Wiley-VCH
  Academic monograph

2014

• Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2014) The Fiber Bundle Model.
  Academic chapter/article/Conference paper
• Patinet, S; Vandembroucq, Damien; Hansen, Alex; Roux, Stephanie. (2014) Cracks in random brittle solids:: From fiber bundles to continuum mechanics. The European Physical Journal Special Topics (EPJ - Special Topics (EPJ ST))
  Academic literature review
• Aursjø, Olav; Erpelding, Marion; Tallakstad, Ken Tore; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen. (2014) Film flow dominated simultaneous flow of two viscous incompressible fluids through a porous medium. Frontiers in Physics
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2014) Discrete element modeling of brittle crack roughness in three dimensions. Frontiers in Physics
  Academic article
• Talon, Laurent; Auradou, Harold; Hansen, Alex. (2014) Effective rheology of Bingham fluids in a rough channel. Frontiers of Physics
  Academic article
• Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2014) Local dynamics of a randomly pinned crack front: a numerical study. Frontiers in Physics
  Academic article
• Hansen, Alex. (2014) Grand challenges in interdisciplinary physics. Frontiers of Physics
  Academic article
• Hope, Sigmund Mongstad; Moreira, André A.; Jr., José S. Andrade; Hansen, Alex. (2014) Reservoir mapping by global correlation analysis. International Journal of Rock Mechanics And Mining Sciences
  Academic article
• Vevatne, Jonas Nesland; Rimstad, Eivind; Hope, Sigmund Mongstad; Korsnes, Reinert; Hansen, Alex. (2014) Fracture networks in sea ice. Frontiers in Physics
  Academic article

2013

• Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe. (2013) Effective rheology of bubbles moving in a capillary tube. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Erpelding, Marion; Sinha, Santanu; Tallakstad, Ken Tore; Hansen, Alex; Flekkøy, Eirik Grude; Måløy, Knut Jørgen. (2013) History independence of steady state in simultaneous two-phase flow through two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Andresen, Christian Andre; Hansen, Alex; Goc, Romain Le; Davy, Philippe; Hope, Sigmund Mongstad. (2013) Topology of fracture networks. Frontiers in Physics
  Academic article
• Talon, Laurent; Auradou, Harold; Pessel, Marc; Hansen, Alex. (2013) Geometry of optimal path hierarchies. Europhysics letters
  Academic article
• Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2013) Universality classes of constrained crack growth. Physical Review Letters
  Academic article

2012

• Tørå, Glenn; Øren, Pål-Eric; Hansen, Alex. (2012) A Dynamic Network Model for Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2012) A model for stable interfacial crack growth. Journal of Physics: Conference Series (JPCS)
  Academic article
• Sinha, Santanu; Hansen, Alex. (2012) Effective rheology of immiscible two-phase flow in porous media. Europhysics letters
  Academic article
• Talon, L; Auradou, H; Hansen, Alex. (2012) Relation between first arrival time and permeability in self-affine fractures with areas in contact. Europhysics letters
  Academic article
• Stormo, Arne; Gjerden, Knut Skogstrand; Hansen, Alex. (2012) Onset of localization in heterogeneous interfacial failure. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Skjetne, Bjørn; Hansen, Alex. (2012) Stochastic Modeling of Crack Avalanches in Hydraulic Fracture. Symposium series - Southern African Institute of Mining and Metallurgy
  Academic article
• Moreira, A. A.; Oliveira, C. L. N.; Hansen, Alex; Araujo, N. A. M.; Herrmann, Hans J.; Jr., Jose Soares Andrade. (2012) Fracturing highly disordered materials. Physical Review Letters
  Academic article

2011

• Hansen, Alex; Sudbø, Asle. (2011) Special Edition for Conference on Computational Physics Trondheim, Norway, June 23-26, 2010 Preface. Computer Physics Communications
  Editorial
• Sinha, Santanu; Grøva, Morten; Ødegården, Torgeir Bryge; Skjetne, Erik; Hansen, Alex. (2011) Local wettability reversal during steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Grøva, Morten; Hansen, Alex. (2011) Two-phase flow in porous media: power-law scaling of effective permeability. Journal of Physics: Conference Series (JPCS)
  Academic article
• Hansen, Alex; Lucena, Liacir; Silva, Luciano R. da. (2011) Spatial correlations in permeability distributions due to extreme dynamics restructuring of unconsolidated sandstone. Physica A: Statistical Mechanics and its Applications
  Academic article
• Hansen, Alex; Skagerstam, Bo-Sture; Tørå, Glenn. (2011) Anomalous scaling and solitary waves in systems with nonlinear diffusion. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article

2010

• Pradhan, Srutarshi; Hansen, Alex; Chakrabarti, Bikas K.. (2010) Failure processes in elastic fiber bundles. Reviews of Modern Physics
  Academic article
• Talon, L; Auradou, Harold; Hansen, Alex. (2010) Permeability of self-affine aperture fields. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Santucci, Stephane; Grob, M; Toussaint, Renaud; Schmittbuhl, Jean; Hansen, Alex; Måløy, Knut Jørgen. (2010) Fracture roughness scaling: A case study on planar cracks. Europhysics letters
  Academic article
• Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2010) Anomalous Diffusion Clusters in Steady-State Two-Phase Flow in Porous Media. Europhysics letters
  Errata
• Talon, L; Auradou, H; Hansen, Alex. (2010) Permeability estimates of self-affine fracture faults based on generalization of the bottleneck concept. Water Resources Research
  Academic article
• Tørå, Glenn; Hansen, Alex. (2010) Heat diffusion in a two-dimensional thermal fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Ellingsen, Simen Andreas Ådnøy; Gjerden, Knut Skogstrand; Grøva, Morten; Hansen, Alex. (2010) Model for density waves in gravity-driven granular flow in narrow pipes. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakke, Jan Øystein Haavig; Ray, Purusattam; Hansen, Alex. (2010) Morphology of Laplacian random walks. Europhysics letters
  Academic article
• Hansen, Henning F.; Walle, Lars Erik; Hansen, Alex. (2010) Wealth and Income Distributions in Norway: A Case Study. Dynamics of Socio-Economic Systems
  Academic article

2009

• Ramstad, Thomas; Hansen, Alex; Øren, Pål-Eric. (2009) Flux-dependent percolation transition in immiscible two-phase flows in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Viggen, Erlend Magnus; Hansen, Alex; Kristiansen, Ulf Rikard. (2009) The lattice Boltzmann method with applications in acoustics. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Masters thesis
• Hansen, Alex; Ramstad, Thomas. (2009) Towards a thermodynamics of immiscible two-phase steady-state flow in porous media. Computational Geosciences
  Academic article
• Hope, Sigmund Mongstad; Hansen, Alex. (2009) Burst distribution in noisy fiber bundles and fuse models. Physica A: Statistical Mechanics and its Applications
  Academic article
• Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2009) Anomalous diffusion on clusters in steady-state two-phase flow in porous media in two dimensions. Europhysics letters
  Academic article

2008

• Ramstad, Thomas; Hansen, Alex. (2008) Capillary-driven instability of immiscible fluid interfaces flowing in parallel in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakke, Jan Øystein Haavig; Hansen, Alex. (2008) Mapping of the roughness exponent for the fuse model for fracture. Physical Review Letters
  Academic article
• Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2008) Burst statistics as a criterion for imminent failure.
  Academic chapter/article/Conference paper
• Hansen, Alex; Ramstad, Thomas. (2008) Towards a Thermodynamics of Immiscible Two-Phase Steady-State Flow in Porous Media. Computational Geosciences
  Academic article
• Andresen, Christian Andre; Hansen, Henning F.; Hansen, Alex; Vasconcelos, Giovani; Andrade, Jose Soares. (2008) Correlations between political party size and voter memory: a statistical analysis of opinion polls. International Journal of Modern Physics C
  Academic article

2007

• Andresen, Christian Andre; Hansen, Alex; Schmittbuhl, J. (2007) Ridge network in crumpled paper. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Santucci, S; Måløy, Knut Jørgen; Delaplace, A; Mathiesen, Joachim; Hansen, Alex; Bakke, Jan Øystein Haavig. (2007) Statistics of fracture surfaces. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakke, Jan Øystein Haavig; Ramstad, Thomas; Hansen, Alex. (2007) Roughness exponent measurements for the central force model. Physical Review B. Condensed Matter and Materials Physics
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Effects of buckling on crack propagaton in paper - A stochastic modelling experiment. Appita journal
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Scaling behaviour of damage in the fracture of two-dimensional elastic beam lattices. Europhysics letters
  Academic article
• Bakke, Jan Øystein Haavig; Hansen, Alex. (2007) Accuracy of roughness exponent measurement methods. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Batrouni, Ghassan George; Ramstad, Thomas; Schmittbuhl, Jean. (2007) Self-affinity in the gradient percolation problem. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Hansen, Henning F.. (2007) A Monte Carlo model for networks between professionals and society. Physica A: Statistical Mechanics and its Applications
  Academic article
• Hansen, Henning F.; Andresen, Christian Andre; Hansen, Alex. (2007) A quantitative measure for path structures of complex networks. Europhysics letters
  Academic article
• Ramstad, Thomas; Hansen, Alex. (2007) Steady-state two-phse porous flow and brittle fracture: A numerical study. NTNU NTNU
  Doctoral dissertation

2006

• Hansen, Alex; Mathiesen, Joachim. (2006) Survey of Scaling Surfaces.
  Academic chapter/article/Conference paper
• Bakke, Jan Øystein Haavig; Hansen, Alex; Kertész, János. (2006) Failures and avalanches in complex networks. Europhysics letters
  Academic article
• Hemmer, Per Christian; Hansen, Alex; Pradhan, Srutarshi. (2006) Rupture processes in fiber bundle models.
  Academic chapter/article/Conference paper
• Ramstad, Thomas; Hansen, Alex. (2006) Cluster evolution in steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Helbing, Dirk; Johansson, Anders; Mathiesen, Joachim; Jensen, Mogens; Hansen, Alex. (2006) Analytical approach to continuous and intermittent bottleneck flows. Physical Review Letters
  Academic article
• Schmittbuhl, Jean; Chambon, Guillaume; Hansen, Alex; Bouchon, Michel. (2006) Are stress distribution alog faults the signature of asperity squeeze?. Geophysical Research Letters
  Academic article
• Knudsen, Henning Arendt; Hansen, Alex. (2006) Two-Phase Flow in Porous Media: Dynamical Phase Transition. European Physical Journal B : Condensed Matter Physics
  Academic article
• Toussaint, Renaud; Hansen, Alex. (2006) Mean-field theorey of localization in the fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2006) Crossover behavior in failure avalanches. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article

2005

• Bratberg, Ivar; Måløy, K.J.; Hansen, Alex. (2005) Validity of the Janssen law in narrow granular columns. The European Physical Journal E : Soft matter
  Academic article
• Pradhan, Srutarshi; Chakrabarti, Bikas K.; Hansen, Alex. (2005) Crossover behavior in a mixed-mode fiber bundle model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Pradhan, Srutarshi; Hansen, Alex. (2005) Failure properties of loaded fiber bundles having a lower cutoff in fiber threshold distribution. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Oliveira, Fernando A.; Morgado, Rafael; Hansen, Alex; Rubi, Miguel. (2005) Superdiffusive conduction: AC conductivity with correlated noise. Physica A: Statistical Mechanics and its Applications
  Academic article
• Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio S.. (2005) Need, greed and noise: competing strategies in a trading model. Physica A: Statistical Mechanics and its Applications
  Academic article
• Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2005) Crossover behavior in burst avalanches: Signature of imminent failure. Physical Review Letters
  Academic article
• Hansen, Alex. (2005) Physics and fracture. Computing in science & engineering (Print)
  Reader opinion piece
• Ramstad, Thomas; Bakke, Jan Øystein Haavig; Hansen, Alex. (2005) Scaling properties of the three-dimensional fuse model as a model for brittle fracture. Strength, Fracture and Complexity
  Academic article
• Bratberg, Ivar; Radjai, Farhang; Hansen, Alex. (2005) Intermittent flow of a collection of rigid frictional disks in a vertical pipe. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bratberg, Ivar; Måløy, Knut Jørgen; Hansen, Alex. (2005) Validity of the Jannsen law in granular columns. The European Physical Journal E : Soft matter
  Academic article
• Skagerstam, Bo-Sture; Hansen, Alex. (2005) Memory Effects and Scaling Properties of Traffic Flows. Europhysics letters
  Academic article

2004

• Schmittbuhl, J; Hansen, Alex; Batrouni, GG. (2004) "Comment on ""Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone"" - Reply". Physical Review Letters
  Reader opinion piece
• Haugen, Nils Erland Leinebø; Hansen, Alex. (2004) Energy spectra and scaling relations in numerical turbulence with laboratory and astrophysical applications. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2004:163)
  Doctoral dissertation
• Batrouni, Ghassan George; Ramstad, Thomas; Hansen, Alex. (2004) Free energy landscape and the critical velocity of superfuid films. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
  Academic article
• Ramstad, Thomas; Bakke, Jan Øistein Haavig; Bjelland, Johannes; Stranden, Torunn; Hansen, Alex. (2004) Correlation length exponent in the three-dimensional fuse network. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Korsnes, Reinert; Souza, Sergio R.; Donangelo, Raul; Hansen, Alex; Paczuski, Maja; Sneppen, Kim. (2004) Scaling in fracture and refreezing of sea ice. Physica A: Statistical Mechanics and its Applications
  Academic article
• Knudsen, HA; Hansen, Alex. (2004) Generic differential equation for fractional flow of steady two-phase flow in porous edia. Europhysics letters
  Academic article
• Hansen, Alex; Kertesz, J. (2004) Phase diagram of optimal paths. Physical Review Letters
  Academic article
• Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B.; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article

2003

• Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (2003) Drainage in a Rough Gouge filled Fracture. Transport in Porous Media
  Academic article
• Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone. Physical Review Letters
  Academic article
• Oliveira, Fernando A.; Morgado, Rafael; Lima, M. V. B. T.; Mello, M. A.; Hansen, Alex; Batrouni, Ghassan George. (2003) Comment on Dynamical foundations of nonextensive statistical mechanics. Physical Review Letters
  Academic article
• Bakke, Jan Øistein Haavig; Bjelland, Johannes; Ramstad, Thomas; Stranden, Torunn; Hansen, Alex; Schmittbuhl, Jean. (2003) Roughness of brittle fractures as a correlated percolation problem. Physica Scripta
  Academic article
• Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture
  Academic article
• Batrouni, GG; Hansen, Alex; Schmittbuhl, J. (2003) In-plane roughness of brittle cracks. International Journal of Modern Physics B
  Academic article
• Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture
  Academic article
• Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (2003) Drainage in rough gouge-filled fracture. Transport in Porous Media
  Academic article
• Hansen, Alex; Schmittbuhl, Jean. (2003) Origin of the universal roughness exponent of brittle fracture: Stress-weighted percolation in the damage zone. Physical Review Letters
  Academic article

2002

• Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Specific heat upon aqueous unfolding of the protein interior: a theoretical approach. Physica A: Statistical Mechanics and its Applications
  Academic article
• Bratberg, Ivar; Hansen, Alex. (2002) Dynamic rearrangments and packing regimes in randomly deposited beds. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakk, Audun; Dommersnes, Paul G.; Hansen, Alex; Høye, Johan Skule; Sneppen, Kim; Jensen, Mogens H.. (2002) Thermodynamics of proteins: Fast folders and sharp transitions. Computer Physics Communications
  Academic article
• Bakk, Audun; Hansen, Alex. (2002) Mapping the non-directed polymer model to a non-linear growth equation of Burgers type. Physica A: Statistical Mechanics and its Applications
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Apolar and Polar Solvation Thermodynamics Related to the Protein Unfolding Process. Biophysical Journal
  Academic article

2001

• Bobylev, Alexander V.; Hansen, Alex; Piasecki, Jaroslav; Hauge, Eivind Hiis. (2001) From the Liouville equation to the generalized Boltzmann equation for magnetotransport in the 2D Lorentz model. Journal of statistical physics
  Academic article
• Hansen, Alex. (2001) Random Fuse Networks: A Review.
  Academic chapter/article/Conference paper
• Olivi-Tran, Natalie; Batrouni, George; Hansen, Alex. (2001) Crack formation in two-dimensional annular networks. Journal of Physics: Condensed Matter
  Academic article
• Bakk, Audun; Hansen, Alex; Sneppen, Kim. (2001) Protein model exhibiting three folding transitions. Physica A: Statistical Mechanics and its Applications
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2001) Heat Capacity of Protein Folding. Biophysical Journal
  Academic article
• Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George. (2001) Distinguishing Fractional and White Noise in One and Two Dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2001) Roughness of Crack Interfaces in Two-Dimensional Beam Lattices. Physical Review Letters
  Academic article
• Oliveira, Fernando Albuquerque; Morgado, R; Dias, C; Batrouni, G. George; Hansen, Alex. (2001) Comment on non-stationarity induced by long-time noise correlations in the Langevin equation. Physical Review Letters
  Academic article
• Hansen, Alex. (2001) Sand, siloer og moderne fysikk.
  Academic chapter/article/Conference paper
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Sneppen, Kim. (2001) Thermodynamical implications of a protein model with water interactions. Journal of Theoretical Biology
  Academic article

2000

• Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) Proteins Top-Down: A Statistical Mechanics Approach. Physica A: Statistical Mechanics and its Applications
  Academic article
• Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Physics of Fashion Fluctuations. Physica A: Statistical Mechanics and its Applications
  Academic article
• Frantziskonis, George N.; Hansen, Alex. (2000) Wavelet-based Multiscaling in Self-Affine Random Media. Fractals
  Academic article
• Aker, Eyvind; Hansen, Alex; Måløy, Knut Jørgen. (2000) A numerical study of capillary and viscous drainage in porous media. Recent Research Developments in Fluid Dynamics
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim. (2000) Pathways in two-state protein folding. Biophysical Journal
  Academic article
• Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George; Oliveira, Fernando A. de. (2000) Normal stress distribution of rough surfaces in contact. Geophysical Research Letters
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Dynamics of stable viscous displacement in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (2000) Modeling molecular motors as folding-unfolding cycles. Europhysics letters
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacements in porous media: Simulations and experiments. Europhysics letters
  Academic article
• Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Måløy, Knut Jørgen. (2000) Geometry and dynamics of invasion percolation with correlated buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Modelling an imperfect market. Physica A: Statistical Mechanics and its Applications
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacement in porous media: Simulations and experiments. Europhysics letters
  Academic article
• Knudsen, Henning Arendt; Hansen, Alex. (2000) Diamagnetic susceptibility and current distributions in granular superconductors. Physical Review B. Condensed Matter and Materials Physics
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Viscous Stabilization of 2D Drainage Displacements with Trapping. Physical Review Letters
  Academic article
• Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Maloy, Knut Jorgen. (2000) Geometry and Dynamics of Invasion Percolation with Correlated Buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) A model for the thermodynamics of proteins.
  Academic chapter/article/Conference paper
• Hansen, Alex; Roux, Stephane. (2000) Statistics Toolbox for Damage and Fracture.
  Academic chapter/article/Conference paper

1999

• Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (1999) Competition between correlated buoyancy and uncorrelated capillary effects during drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Auradou, Harold; Maloy, Knut Jorgen; Schmittbuhl, Jean; Hansen, Alex. (1999) Competition between Correlated Buoyancy and Uncorrelated Capillary Effects during Drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1999) A model for the thermodynamics of globular proteins. Physica A: Statistical Mechanics and its Applications
  Academic article
• Skjetne, Erik; Hansen, Alex; Gudmundsson, Jon Steinar. (1999) High-velocity flow in a self-affine channel. Journal of Fluid Mechanics
  Academic article
• Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1999) Hot and cold denaturation of proteins: Critical Aspects. European Physical Journal B : Condensed Matter Physics
  Academic article

1998

• Ippolito, Irene; Bideau, Daniel; Hansen, Alex. (1998) Experimental simulation of polymers in dynamically disordered media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Kertesz, Janos. (1998) Tunneling percolation: Universality and application to the integer quantum Hall effect. Philosophical Magazine
  Academic article
• Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1998) Statistical mechanics of warm and cold unfolding of proteins. European Physical Journal B : Condensed Matter Physics
  Academic article
• Batrouni, Ghassan George; Hansen, Alex. (1998) Fracture in three-dimensional fuse networks. Physical Review Letters
  Academic article
• Hansen, Alex; Hemmer, P.C.. (1998) Simultaneous failures in fiber bundles.
  Academic chapter/article/Conference paper
• Simonsen, Ingve; Hansen, Alex; Nes, Olav Magnar. (1998) Determination of hust exponents by use of the wavelet transform,. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Samseth, Jon; Kirkedalen, May Britt; Maaø, Frank A.; Hansen, Alex; Einarsrud, Mari-Ann. (1998) Liesegang pattern formation by gas diffusion in silica aerogels. Journal of Non-Crystalline Solids
  Academic article
• Einarsrud, Mari-Ann; Maaø, Frank A.; Hansen, Alex; Kirkedelen, May Britt; Samseth, Jon. (1998) Band formation during gaseous diffusion in aerogels. Physical Review A. Atomic, Molecular, and Optical Physics (PRA)
  Academic article
• Simonsen, Ingve; Hansen, Alex; Nes, Olav-Magnar. (1998) Determination of the Hurst exponent by use of wavelet transforms. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Batrouni, George. (1998) A two-dimensional network simulator for two-phase flow in porous media. Transport in Porous Media
  Academic article
• Hansen, Alex; Aker, Eyvind; Måløy, Knut Jørgen. (1998) Simulating temporal evolution of pressure in two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1998) A hierarchical scheme for cooperativity and folding in proteins. Physica A: Statistical Mechanics and its Applications
  Academic article

1997

• Frette, Olav Inge; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (1997) Immiscible displacement of viscosity-matched fluids in two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Piasecki, J.; Hansen, Alex; Hauge, Eivind H.. (1997) Magnetotransport in the 2D Lorentz model : linear and nonlinear effects of a weak electric field. Journal of Physics A: Mathematical and General
  Academic article
• Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Geometrical exponents in the integer quantum Hall effect. Europhysics letters
  Academic article
• Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind H.. (1997) There is more to be learned from the Lorentz model. Journal of statistical physics
  Academic article
• Kloster, M.; Hansen, Alex; Hemmer, P.C.. (1997) Burst avalanches in solvable models of fibrous materials. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Tunneling in the integer quantum Hall effect.
  Academic chapter/article/Conference paper
• Hansen, Alex; Hauge, Eivind H.; Hove, Joachim; Maaø, Frank A.. (1997) Criticality in the integer quantum Hall effect.
  Academic chapter/article/Conference paper

1996

• Batrouni, G. George; Hansen, Alex; Larson, Brond. (1996) Current distribution in the three-dimensional random resistor network at the percolation threshold. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Pennec, Thierry Le; Måløy, Knut Jørgen; Hansen, Alex; Ammi, Madani; Bideau, Daniel; Wu, Xiao-lun. (1996) Ticking hour glasses : experimental analysis of intermittent flow. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Kertész, János. (1996) Absence of self-averaging in global optimization problems. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Wennberg, Kjell Erik; Batrouni, G. George; Hansen, Alex; Horsrud, Per. (1996) Band formation in deposition of fines in porous media. Transport in Porous Media
  Academic article
• Berglund, N.; Hansen, Alex; Hauge, Eivind H.; Piasecki, J.. (1996) Can a local repulsive potential trap an electron?. Physical Review Letters
  Academic article

1995

• Hansen, Alex; Plouraboué, Franck; Roux, Stéphane. (1995) Shadows in a self-affine landscape. Fractals
  Academic article
• Gutfraind, R.; Hansen, Alex. (1995) Study of fracture permeability using lattice gas automata. Transport in Porous Media
  Academic article
• Davy, P.; Hansen, Alex; Bonnet, E.; Zhang, Shou-Zhu. (1995) Localization and fault growth in layered brittle-ductile systems : implications for deformations of the continental lithosphere. Journal of Geophysical Research (JGR)
  Academic article
• Gutfraind, Ricardo; Ippolito, Irene; Hansen, Alex. (1995) Study of tracer dispersion in self-affine fractures using lattice-gas automata. Physics of Fluids
  Academic article
• Hansen, Alex; Lütken, C.A.. (1995) Semiclassical quantum percolation in the quantum Hall system. Physical Review B Condensed Matter
  Academic article
• Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind Hiis. (1995) Two-dimensional magnetotransport according to the classical Lorentz model. Physical Review Letters
  Academic article
• Hansen, Alex. (1995) Sammenbruddets fysikk.
  Academic chapter/article/Conference paper
• Hansen, Alex; Hemmer, P.C.. (1995) Criticality in fracture : the burst distribution.
  Academic chapter/article/Conference paper
• Lutken, Carsten Andrew; Hansen, Alex. (1995) Semiclassical Quantum Percolation in the Quantum Hall System. Physical Review B. Condensed Matter and Materials Physics
  Academic article

1994

• Riguidel, F.-X.; Hansen, Alex; Bideau, D.. (1994) Gravity-driven motion of a particle on an inclined plane with controlled roughness. Europhysics letters
  Academic article
• Engøy, Thor; Måløy, Knut Jørgen; Hansen, Alex; Roux, Stephane. (1994) Roughness of two-dimensional cracks in wood. Physical Review Letters
  Academic article
• Bideau, Daniel; Ammi, Madani; Hansen, Alex. (1994) Le tic-tac du sablier. La Recherche (Imprimé)
  Academic article
• Roux, Stephane; Hansen, Alex. (1994) Conductance noise in electrodeposition. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Roux, Stephane; Hansen, Alex. (1994) Interface roughening and pinning. Journal de Physique I
  Academic article
• Batrouni, G. George; Hansen, Alex; Ristow, Gerald H.. (1994) Tolerance and sensitivity in the fuse network. Journal of Physics A: Mathematical and General
  Academic article
• Riguidel, Francois-Xavier; Jullien, Remi; Ristow, Gerald H.; Hansen, Alex; Bideau, Daniel. (1994) Behaviour of a sphere on a rough inclined plane. Journal de Physique I
  Academic article
• Måløy, Knut Jørgen; Ammi, Madani; Bideau, Daniel; Hansen, Alex; Wu, Xiao-lun. (1994) Quelques experiences sur le sablier intermittent. Comptes rendues de l'Academie des sciences Series II
  Academic article
• Hansen, Alex; Engøy, Thor; Måløy, Knut Jørgen. (1994) Measuring Hurst exponents with the first return method. Fractals
  Academic article
• Hansen, Alex; Hemmer, P.C.. (1994) Burst avalanches in bundles of fibers : local versus global load-sharing. Physics Letters A
  Academic article
• Bardhan, K.K. red.; Chakrabarti, B.K; Hansen, Alex. (1994) Non-linearity and breakdown in soft condensed matter : proceedings of a workshop held at Calcutta, India, 1-9 December 1993. Springer Springer
  Non-fiction book

Journal publications

• Flekkøy, Eirik Grude; Hansen, Alex; Eiser, Erika. (2025) Heat and super-diffusive melting fronts in unsaturated porous media. http://arxiv.org/abs/cond-mat
  Academic article
• Hansen, Alex; Sinha, Santanu. (2025) Thermodynamics-like Formalism for Immiscible and Incompressible Two-Phase Flow in Porous Media. Entropy
  Academic article
• Pedersen, Håkon; Hansen, Alex. (2025) Geometric structure of parameter space in immiscible two-phase flow in porous media. Frontiers in Physics
  Academic article
• Sousa, Carlos G. L.; Andrade, José S.; Moreira, André A.; Filho, Cesar I. N. Sampaio; Eiser, Erika; Hansen, Alex. (2025) Unlimited number of spanning clusters in three-dimensional percolation above the critical point. Physical Review Research (PRResearch)
  Academic article
• Lima, Henrique A.; Luis, Edwin E. Mozo; Carrasco, Ismael S. S.; Hansen, Alex; Oliveira, Fernando A.. (2024) Geometrical interpretation of critical exponents. Physical Review E (PRE)
  Academic article
• Talon, Laurent; Hennig, Andreas Andersen; Hansen, Alex; Rosso, Alberto. (2024) Influence of the imposed flow rate boundary condition on the flow of Bingham fluid in porous media. Physical Review Fluids
  Academic article
• Sinha, Santanu; Méheust, Yves; Fyhn, Hursanay; Roy, Subhadeep; Hansen, Alex. (2024) Disorder-induced non-linear growth of fingers in immiscible two-phase flow in porous media. Physics of Fluids
  Academic article
• Krol, Quirine Eibhilin; Scherrer, Evan; Skuntz, Matthew; Codd, Sarah; Seymour, Joseph; Hansen, Alex. (2024) Rapid MRI profiling of liquid water content in snow: Melt and Stability during first wetting and rain on snow events. International Snow Science Workshops (ISSW) Proceedings
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2024) Immiscible Two-Phase Flow in Porous Media: Effective Rheology in the Continuum Limit. Transport in Porous Media
  Academic article
• Alzubaidi, Fatimah; McClure, James E.; Pedersen, Håkon; Hansen, Alex; Berg, Carl Fredrik; Mostaghimi, Peyman. (2024) The Impact of Wettability on the Co-moving Velocity of Two-Fluid Flow in Porous Media. Transport in Porous Media
  Academic article
• Hansen, Alex. (2024) Linearity of the Co-moving Velocity. Transport in Porous Media
  Academic article
• Hansen, Alex. (2024) Editorial: Editor’s challenge in interdisciplinary physics: what is interdisciplinary physics?. Frontiers in Physics
  Editorial
• Olsen, Kristian Stølevik; Hansen, Alex; Flekkøy, Eirik Grude. (2024) Hyper-Ballistic Superdiffusion of Competing Microswimmers. Entropy
  Academic article
• Hansen, Alex; Flekkøy, Eirik Grude; Sinha, Santanu; Slotte, Per Arne. (2023) A statistical mechanics for immiscible and incompressible to-phase flow in porous media. Advances in Water Resources
  Academic article
• Fyhn, Hursanay; Sinha, Santanu; Hansen, Alex. (2023) Local statistics of immiscible and incompressible two-phase flow in porous media. Physica A: Statistical Mechanics and its Applications
  Academic article
• Pedersen, Håkon; Hansen, Alex. (2023) Parameterizations of immiscible two-phase flow in porous media. Frontiers in Physics
  Academic article
• Schimmenti, Vincenzo Maria; Lanza, Federico; Hansen, Alex; Franz, Silvio; Rosso, Alberto; Talon, Laurent. (2023) Darcy's law of yield stress fluids on a treelike network. Physical Review E (PRE)
  Academic article
• Fyhn, Hursanay; Sinha, Santanu; Hansen, Alex. (2023) Effective rheology of immiscible two-phase flow in porous media consisting of random mixtures of grains having two types of wetting properties. Frontiers in Physics
  Academic article
• Lanza, Federico; Sinha, Santanu; Hansen, Alex; Rosso, Alberto; Talon, Laurent. (2023) Transition from viscous fingers to foam during drainage in heterogeneous porous media. Physics of Fluids
  Academic article
• Cheon, Hyejeong; Fyhn, Hursanay; Hansen, Alex; Wilhelmsen, Øivind; Sinha, Santanu. (2023) Steady-State Two-Phase Flow of Compressible and Incompressible Fluids in a Capillary Tube of Varying Radius. Transport in Porous Media
  Academic article
• Lanza, Federico; Rosso, Alberto; Talon, Laurent; Hansen, Alex. (2022) Non-Newtonian Rheology in a Capillary Tube with Varying Radius. Transport in Porous Media
  Academic article
• Hutt, Axel; Grüning, André; Hansen, Alex; Hartung, Thomas; Robeva, Raina. (2022) Editorial: Machine Learning in Natural Complex Systems. Frontiers in Applied Mathematics and Statistics
  Editorial
• Roy, Subhadeep; Pedersen, Håkon; Sinha, Santanu; Hansen, Alex. (2022) The Co-Moving Velocity in Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Hansen, Alex; Flekkøy, Eirik Grude; Sinha, Santanu; Slotte, Per Arne. (2022) A statistical mechanics framework for immiscible and incompressible two-phase flow in porous media. Advances in Water Resources
  Academic article
• Fromreide, Mads; Hansen, Alex. (2021) Predicting Motion Patterns Using Optimal Paths. Frontiers in Physics
  Academic article
• Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Crack localization and the interplay between stress enhancement and thermal noise. Physica A: Statistical Mechanics and its Applications
  Academic article
• Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Hansen, Alex. (2021) Fluid Meniscus Algorithms for Dynamic Pore-Network Modeling of Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics
  Academic literature review
• Hansen, Alex; Kun, Ferenc; Pradhan, Srutarshi; Ray, Purusattam. (2021) Editorial: The Fiber Bundle. Frontiers in Physics
  Editorial
• Fyhn, Hursanay; Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2021) Rheology of Immiscible Two‐phase Flow in Mixed Wet Porous Media: Dynamic Pore Network Model and Capillary Fiber Bundle Model Results. Transport in Porous Media
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2021) Role of Pore-Size Distribution on Effective Rheology of Two-Phase Flow in Porous Media. Frontiers in water
  Academic article
• Debski, Wojciech; Pradhan, Srutarshi; Hansen, Alex. (2021) Criterion for Imminent Failure During Loading — Discrete Element Method Analysis. Frontiers in Physics
  Academic article
• Måløy, Knut Jørgen; Moura, Marcel; Hansen, Alex; Flekkøy, Eirik Grude; Toussaint, Renaud. (2021) Burst Dynamics, Upscaling and Dissipation of Slow Drainage in Porous Media. Frontiers in Physics
  Academic article
• Charan, Harish; Hansen, Alex; Hentschel, H. George E.; Procaccia, Itamar. (2021) Aging and Failure of a Polymer Chain under Tension. Physical Review Letters
  Academic article
• Gjennestad, Magnus Aa.; Winkler, Mathias; Hansen, Alex. (2021) Correction to: Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media (Transport in Porous Media, (2020), 132, 2, (355-379), 10.1007/s11242-020-01395-z). Transport in Porous Media
  Errata
• Flekkøy, Eirik Grude; Hansen, Alex; Baldelli, Beatrice. (2021) Hyperballistic Superdiffusion and Explosive Solutions to the Non-Linear Diffusion Equation. Frontiers in Physics
  Academic article
• Talon, Laurent; Hansen, Alex. (2020) Effective Rheology of Bi-viscous Non-newtonian Fluids in Porous Media. Frontiers in Physics
  Academic article
• Sinha, Santanu; Roy, Subhadeep; Hansen, Alex. (2020) Phase transitions and correlations in fracture processes where disorder and stress compete. Physical Review Research (PRResearch)
  Academic article
• Winkler, Mathias; Gjennestad, Magnus Aashammer; Bedeaux, Dick; Kjelstrup, Signe; Cabriolu, Raffaela; Hansen, Alex. (2020) Onsager-symmetry obeyed in athermal mesoscopic systems: Two-phase flow in porous media. Frontiers in Physics
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2020) Flow-Area Relations in Immiscible Two-Phase Flow in Porous Media. Frontiers in Physics
  Academic article
• Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen; Kjelstrup, Signe; Torsæter, Ole. (2020) Editorial: Physics of Porous Media. Frontiers in Physics
  Editorial
• Hansen, Alex; Flekkøy, Eirik Grude; Baldelli, Beatrice. (2020) Anomalous diffusion in systems with concentration-dependent diffusivity: exact solutions and particle simulations. Frontiers in Physics
  Academic article
• Hansen, Alex. (2020) The Three Extreme Value Distributions: An Introductory Review. Frontiers in Physics
  Academic literature review
• Gjennestad, Magnus Aashammer; Winkler, Mathias; Hansen, Alex. (2020) Pore Network Modeling of the Effects of Viscosity Ratio and Pressure Gradient on Steady-State Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Non-isothermal Transport of Multi-phase Fluids in Porous Media. Constitutive Equations. Frontiers of Physics
  Academic article
• Zhao, Benzhong; MacMinn, Christopher W.; Primkulov, Bauyrzhan K.; Chen, Yu; Valocchi, Albert J.; Zhao, Jianlin. (2019) Comprehensive comparison of pore-scale models for multiphase flow in porous media. Proceedings of the National Academy of Sciences of the United States of America (PNAS)
  Academic article
• Kjellstadli, Jonas Tøgersen; Bering, Eivind; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part II: The Shielding Effect. Frontiers in Physics
  Academic article
• Roy, Subhadeep; Sinha, Santanu; Hansen, Alex. (2019) Immiscible two-phase flow in porous media: Effective rheology in the continuum limit. arXiv.org
  Academic article
• Skjetne, Bjørn; Hansen, Alex. (2019) Implications of Realistic Fracture Criteria on Crack Morphology. Frontiers in Physics
  Academic article
• Roy, Subhadeep; Hansen, Alex; Sinha, Santanu. (2019) Effective rheology of two-phase flow in a capillary fiber bundle model. Frontiers in Physics
  Academic article
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2019) Corrigendum: Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations [Front. Phys., 6, 150 (2019)] DOI: 10.3389/fphy.2018.00150. Frontiers in Physics
  Errata
• Pradhan, Srutarshi; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2019) Variation of Elastic Energy Shows Reliable Signal of Upcoming Catastrophic Failure. Frontiers in Physics
  Academic article
• Kjellstadli, Jonas Tøgersen; Bering, Eivind; Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2019) Can Local Stress Enhancement Induce Stability in Fracture Processes? Part I: Apparent Stability. Frontiers in Physics
  Academic article
• Sinha, Santanu; Gjennestad, Magnus Aashammer; Vassvik, Morten; Winkler, Mathias; Hansen, Alex; Flekkøy, Eirik Grude. (2019) Rheology of high-capillary number two-phase flow in porous media. Frontiers in Physics
  Academic article
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. The entropy production. Frontiers in Physics
  Academic article
• Pradhan, Srutarshi; Hansen, Alex; Ray, Purusattam. (2018) A Renormalization Group Procedure for Fiber Bundle Models. Frontiers in Physics
  Academic article
• Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2018) Relations Between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Gjennestad, Magnus Aashammer; Vassvik, Morten; Kjelstrup, Signe; Hansen, Alex. (2018) Stable and efficient time integration of a dynamic pore network model for two-phase flow in porous media. Frontiers in Physics
  Academic article
• Hendrick, Martin; Pradhan, Srutarshi; Hansen, Alex. (2018) Mesoscopic description of the equal-load-sharing fiber bundle model. Physical Review E (PRE)
  Academic article
• Savani, Isha; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten; Sinha, Santanu; Hansen, Alex. (2017) Ensemble distribution for immiscible two-phase flow in porous media. Physical Review E (PRE)
  Academic article
• Savani, Isha; Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe; Vassvik, Morten. (2017) A Monte Carlo Algorithm for Immiscible Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Sinha, Santanu; Bender, Andrew T; Danczyk, Matthew; Keepseagle, Kayla; Prather, Cody A; Bray, Joshua M. (2017) Effective Rheology of Two-Phase Flow in Three-Dimensional Porous Media: Experiment and Simulation. Transport in Porous Media
  Academic article
• Stormo, Arne; Lengliné, Olivier; Schmittbuhl, Jean; Hansen, Alex. (2016) Soft-Clamp Fiber Bundle Model and Interfacial Crack Propagation: Comparison Using a Non-linear Imposed Displacement. Frontiers in Physics
  Academic article
• Flekkøy, Eirik Grude; Hansen, Alex. (2015) An effective medium derivation of the Cole-Cole relation for electric conductivity. Geophysics
  Academic article
• Sinha, Santanu; Kjellstadli, Jonas Tøgersen; Hansen, Alex. (2015) Local load-sharing fiber bundle model in higher dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hope, Sigmund Mongstad; Davy, Philippe; Maillot, Julien; Goc, Romain Le; Hansen, Alex. (2015) Topological impact of constrained fracture growth. Frontiers in Physics
  Academic article
• Hope, Sigmund Mongstad; Kundu, Sumanta; Roy, Chandreyee; Manna, S. S.; Hansen, Alex. (2015) Network topology of the desert rose. Frontiers in Physics
  Academic article
• Flovik, Vegard; Sinha, Santanu; Hansen, Alex. (2015) Dynamic Wettability Alteration in Immiscible Two-phase Flow in Porous Media: Effect on Transport Properties and Critical Slowing Down. Frontiers in Physics
  Academic article
• Linga, Gaute; Ballone, Pietro; Hansen, Alex. (2015) Creep rupture of fiber bundles: A molecular dynamics investigation. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Patinet, S; Vandembroucq, Damien; Hansen, Alex; Roux, Stephanie. (2014) Cracks in random brittle solids:: From fiber bundles to continuum mechanics. The European Physical Journal Special Topics (EPJ - Special Topics (EPJ ST))
  Academic literature review
• Aursjø, Olav; Erpelding, Marion; Tallakstad, Ken Tore; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen. (2014) Film flow dominated simultaneous flow of two viscous incompressible fluids through a porous medium. Frontiers in Physics
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2014) Discrete element modeling of brittle crack roughness in three dimensions. Frontiers in Physics
  Academic article
• Talon, Laurent; Auradou, Harold; Hansen, Alex. (2014) Effective rheology of Bingham fluids in a rough channel. Frontiers of Physics
  Academic article
• Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2014) Local dynamics of a randomly pinned crack front: a numerical study. Frontiers in Physics
  Academic article
• Hansen, Alex. (2014) Grand challenges in interdisciplinary physics. Frontiers of Physics
  Academic article
• Hope, Sigmund Mongstad; Moreira, André A.; Jr., José S. Andrade; Hansen, Alex. (2014) Reservoir mapping by global correlation analysis. International Journal of Rock Mechanics And Mining Sciences
  Academic article
• Vevatne, Jonas Nesland; Rimstad, Eivind; Hope, Sigmund Mongstad; Korsnes, Reinert; Hansen, Alex. (2014) Fracture networks in sea ice. Frontiers in Physics
  Academic article
• Sinha, Santanu; Hansen, Alex; Bedeaux, Dick; Kjelstrup, Signe. (2013) Effective rheology of bubbles moving in a capillary tube. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Erpelding, Marion; Sinha, Santanu; Tallakstad, Ken Tore; Hansen, Alex; Flekkøy, Eirik Grude; Måløy, Knut Jørgen. (2013) History independence of steady state in simultaneous two-phase flow through two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Andresen, Christian Andre; Hansen, Alex; Goc, Romain Le; Davy, Philippe; Hope, Sigmund Mongstad. (2013) Topology of fracture networks. Frontiers in Physics
  Academic article
• Talon, Laurent; Auradou, Harold; Pessel, Marc; Hansen, Alex. (2013) Geometry of optimal path hierarchies. Europhysics letters
  Academic article
• Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2013) Universality classes of constrained crack growth. Physical Review Letters
  Academic article
• Tørå, Glenn; Øren, Pål-Eric; Hansen, Alex. (2012) A Dynamic Network Model for Two-Phase Flow in Porous Media. Transport in Porous Media
  Academic article
• Gjerden, Knut Skogstrand; Stormo, Arne; Hansen, Alex. (2012) A model for stable interfacial crack growth. Journal of Physics: Conference Series (JPCS)
  Academic article
• Sinha, Santanu; Hansen, Alex. (2012) Effective rheology of immiscible two-phase flow in porous media. Europhysics letters
  Academic article
• Talon, L; Auradou, H; Hansen, Alex. (2012) Relation between first arrival time and permeability in self-affine fractures with areas in contact. Europhysics letters
  Academic article
• Stormo, Arne; Gjerden, Knut Skogstrand; Hansen, Alex. (2012) Onset of localization in heterogeneous interfacial failure. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Skjetne, Bjørn; Hansen, Alex. (2012) Stochastic Modeling of Crack Avalanches in Hydraulic Fracture. Symposium series - Southern African Institute of Mining and Metallurgy
  Academic article
• Moreira, A. A.; Oliveira, C. L. N.; Hansen, Alex; Araujo, N. A. M.; Herrmann, Hans J.; Jr., Jose Soares Andrade. (2012) Fracturing highly disordered materials. Physical Review Letters
  Academic article
• Hansen, Alex; Sudbø, Asle. (2011) Special Edition for Conference on Computational Physics Trondheim, Norway, June 23-26, 2010 Preface. Computer Physics Communications
  Editorial
• Sinha, Santanu; Grøva, Morten; Ødegården, Torgeir Bryge; Skjetne, Erik; Hansen, Alex. (2011) Local wettability reversal during steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Grøva, Morten; Hansen, Alex. (2011) Two-phase flow in porous media: power-law scaling of effective permeability. Journal of Physics: Conference Series (JPCS)
  Academic article
• Hansen, Alex; Lucena, Liacir; Silva, Luciano R. da. (2011) Spatial correlations in permeability distributions due to extreme dynamics restructuring of unconsolidated sandstone. Physica A: Statistical Mechanics and its Applications
  Academic article
• Hansen, Alex; Skagerstam, Bo-Sture; Tørå, Glenn. (2011) Anomalous scaling and solitary waves in systems with nonlinear diffusion. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Pradhan, Srutarshi; Hansen, Alex; Chakrabarti, Bikas K.. (2010) Failure processes in elastic fiber bundles. Reviews of Modern Physics
  Academic article
• Talon, L; Auradou, Harold; Hansen, Alex. (2010) Permeability of self-affine aperture fields. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Santucci, Stephane; Grob, M; Toussaint, Renaud; Schmittbuhl, Jean; Hansen, Alex; Måløy, Knut Jørgen. (2010) Fracture roughness scaling: A case study on planar cracks. Europhysics letters
  Academic article
• Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2010) Anomalous Diffusion Clusters in Steady-State Two-Phase Flow in Porous Media. Europhysics letters
  Errata
• Talon, L; Auradou, H; Hansen, Alex. (2010) Permeability estimates of self-affine fracture faults based on generalization of the bottleneck concept. Water Resources Research
  Academic article
• Tørå, Glenn; Hansen, Alex. (2010) Heat diffusion in a two-dimensional thermal fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Ellingsen, Simen Andreas Ådnøy; Gjerden, Knut Skogstrand; Grøva, Morten; Hansen, Alex. (2010) Model for density waves in gravity-driven granular flow in narrow pipes. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakke, Jan Øystein Haavig; Ray, Purusattam; Hansen, Alex. (2010) Morphology of Laplacian random walks. Europhysics letters
  Academic article
• Hansen, Henning F.; Walle, Lars Erik; Hansen, Alex. (2010) Wealth and Income Distributions in Norway: A Case Study. Dynamics of Socio-Economic Systems
  Academic article
• Ramstad, Thomas; Hansen, Alex; Øren, Pål-Eric. (2009) Flux-dependent percolation transition in immiscible two-phase flows in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Ramstad, Thomas. (2009) Towards a thermodynamics of immiscible two-phase steady-state flow in porous media. Computational Geosciences
  Academic article
• Hope, Sigmund Mongstad; Hansen, Alex. (2009) Burst distribution in noisy fiber bundles and fuse models. Physica A: Statistical Mechanics and its Applications
  Academic article
• Tørå, Glenn; Ramstad, Thomas; Hansen, Alex. (2009) Anomalous diffusion on clusters in steady-state two-phase flow in porous media in two dimensions. Europhysics letters
  Academic article
• Ramstad, Thomas; Hansen, Alex. (2008) Capillary-driven instability of immiscible fluid interfaces flowing in parallel in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakke, Jan Øystein Haavig; Hansen, Alex. (2008) Mapping of the roughness exponent for the fuse model for fracture. Physical Review Letters
  Academic article
• Hansen, Alex; Ramstad, Thomas. (2008) Towards a Thermodynamics of Immiscible Two-Phase Steady-State Flow in Porous Media. Computational Geosciences
  Academic article
• Andresen, Christian Andre; Hansen, Henning F.; Hansen, Alex; Vasconcelos, Giovani; Andrade, Jose Soares. (2008) Correlations between political party size and voter memory: a statistical analysis of opinion polls. International Journal of Modern Physics C
  Academic article
• Andresen, Christian Andre; Hansen, Alex; Schmittbuhl, J. (2007) Ridge network in crumpled paper. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Santucci, S; Måløy, Knut Jørgen; Delaplace, A; Mathiesen, Joachim; Hansen, Alex; Bakke, Jan Øystein Haavig. (2007) Statistics of fracture surfaces. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakke, Jan Øystein Haavig; Ramstad, Thomas; Hansen, Alex. (2007) Roughness exponent measurements for the central force model. Physical Review B. Condensed Matter and Materials Physics
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Effects of buckling on crack propagaton in paper - A stochastic modelling experiment. Appita journal
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2007) Scaling behaviour of damage in the fracture of two-dimensional elastic beam lattices. Europhysics letters
  Academic article
• Bakke, Jan Øystein Haavig; Hansen, Alex. (2007) Accuracy of roughness exponent measurement methods. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Batrouni, Ghassan George; Ramstad, Thomas; Schmittbuhl, Jean. (2007) Self-affinity in the gradient percolation problem. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Hansen, Henning F.. (2007) A Monte Carlo model for networks between professionals and society. Physica A: Statistical Mechanics and its Applications
  Academic article
• Hansen, Henning F.; Andresen, Christian Andre; Hansen, Alex. (2007) A quantitative measure for path structures of complex networks. Europhysics letters
  Academic article
• Bakke, Jan Øystein Haavig; Hansen, Alex; Kertész, János. (2006) Failures and avalanches in complex networks. Europhysics letters
  Academic article
• Ramstad, Thomas; Hansen, Alex. (2006) Cluster evolution in steady-state two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Helbing, Dirk; Johansson, Anders; Mathiesen, Joachim; Jensen, Mogens; Hansen, Alex. (2006) Analytical approach to continuous and intermittent bottleneck flows. Physical Review Letters
  Academic article
• Schmittbuhl, Jean; Chambon, Guillaume; Hansen, Alex; Bouchon, Michel. (2006) Are stress distribution alog faults the signature of asperity squeeze?. Geophysical Research Letters
  Academic article
• Knudsen, Henning Arendt; Hansen, Alex. (2006) Two-Phase Flow in Porous Media: Dynamical Phase Transition. European Physical Journal B : Condensed Matter Physics
  Academic article
• Toussaint, Renaud; Hansen, Alex. (2006) Mean-field theorey of localization in the fuse model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2006) Crossover behavior in failure avalanches. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bratberg, Ivar; Måløy, K.J.; Hansen, Alex. (2005) Validity of the Janssen law in narrow granular columns. The European Physical Journal E : Soft matter
  Academic article
• Pradhan, Srutarshi; Chakrabarti, Bikas K.; Hansen, Alex. (2005) Crossover behavior in a mixed-mode fiber bundle model. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Pradhan, Srutarshi; Hansen, Alex. (2005) Failure properties of loaded fiber bundles having a lower cutoff in fiber threshold distribution. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Oliveira, Fernando A.; Morgado, Rafael; Hansen, Alex; Rubi, Miguel. (2005) Superdiffusive conduction: AC conductivity with correlated noise. Physica A: Statistical Mechanics and its Applications
  Academic article
• Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio S.. (2005) Need, greed and noise: competing strategies in a trading model. Physica A: Statistical Mechanics and its Applications
  Academic article
• Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2005) Crossover behavior in burst avalanches: Signature of imminent failure. Physical Review Letters
  Academic article
• Hansen, Alex. (2005) Physics and fracture. Computing in science & engineering (Print)
  Reader opinion piece
• Ramstad, Thomas; Bakke, Jan Øystein Haavig; Hansen, Alex. (2005) Scaling properties of the three-dimensional fuse model as a model for brittle fracture. Strength, Fracture and Complexity
  Academic article
• Bratberg, Ivar; Radjai, Farhang; Hansen, Alex. (2005) Intermittent flow of a collection of rigid frictional disks in a vertical pipe. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bratberg, Ivar; Måløy, Knut Jørgen; Hansen, Alex. (2005) Validity of the Jannsen law in granular columns. The European Physical Journal E : Soft matter
  Academic article
• Skagerstam, Bo-Sture; Hansen, Alex. (2005) Memory Effects and Scaling Properties of Traffic Flows. Europhysics letters
  Academic article
• Schmittbuhl, J; Hansen, Alex; Batrouni, GG. (2004) "Comment on ""Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone"" - Reply". Physical Review Letters
  Reader opinion piece
• Batrouni, Ghassan George; Ramstad, Thomas; Hansen, Alex. (2004) Free energy landscape and the critical velocity of superfuid films. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
  Academic article
• Ramstad, Thomas; Bakke, Jan Øistein Haavig; Bjelland, Johannes; Stranden, Torunn; Hansen, Alex. (2004) Correlation length exponent in the three-dimensional fuse network. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Korsnes, Reinert; Souza, Sergio R.; Donangelo, Raul; Hansen, Alex; Paczuski, Maja; Sneppen, Kim. (2004) Scaling in fracture and refreezing of sea ice. Physica A: Statistical Mechanics and its Applications
  Academic article
• Knudsen, HA; Hansen, Alex. (2004) Generic differential equation for fractional flow of steady two-phase flow in porous edia. Europhysics letters
  Academic article
• Hansen, Alex; Kertesz, J. (2004) Phase diagram of optimal paths. Physical Review Letters
  Academic article
• Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B.; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Fossum, Jon Otto; Bergene, Håvard Huru; Hansen, Alex; O'Rourke, B; Manificat, Guillaume. (2004) Self-affine crossover length in a layered silicate deposit. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (2003) Drainage in a Rough Gouge filled Fracture. Transport in Porous Media
  Academic article
• Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Roughness of interfacial crack fronts: Stress-weighted percolation in the damage zone. Physical Review Letters
  Academic article
• Oliveira, Fernando A.; Morgado, Rafael; Lima, M. V. B. T.; Mello, M. A.; Hansen, Alex; Batrouni, Ghassan George. (2003) Comment on Dynamical foundations of nonextensive statistical mechanics. Physical Review Letters
  Academic article
• Bakke, Jan Øistein Haavig; Bjelland, Johannes; Ramstad, Thomas; Stranden, Torunn; Hansen, Alex; Schmittbuhl, Jean. (2003) Roughness of brittle fractures as a correlated percolation problem. Physica Scripta
  Academic article
• Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, Ghassan George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture
  Academic article
• Batrouni, GG; Hansen, Alex; Schmittbuhl, J. (2003) In-plane roughness of brittle cracks. International Journal of Modern Physics B
  Academic article
• Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Batrouni, George. (2003) Scaling and dynamics of an interfacial crack front. International Journal of Fracture
  Academic article
• Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (2003) Drainage in rough gouge-filled fracture. Transport in Porous Media
  Academic article
• Hansen, Alex; Schmittbuhl, Jean. (2003) Origin of the universal roughness exponent of brittle fracture: Stress-weighted percolation in the damage zone. Physical Review Letters
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Specific heat upon aqueous unfolding of the protein interior: a theoretical approach. Physica A: Statistical Mechanics and its Applications
  Academic article
• Bratberg, Ivar; Hansen, Alex. (2002) Dynamic rearrangments and packing regimes in randomly deposited beds. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Bakk, Audun; Dommersnes, Paul G.; Hansen, Alex; Høye, Johan Skule; Sneppen, Kim; Jensen, Mogens H.. (2002) Thermodynamics of proteins: Fast folders and sharp transitions. Computer Physics Communications
  Academic article
• Bakk, Audun; Hansen, Alex. (2002) Mapping the non-directed polymer model to a non-linear growth equation of Burgers type. Physica A: Statistical Mechanics and its Applications
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2002) Apolar and Polar Solvation Thermodynamics Related to the Protein Unfolding Process. Biophysical Journal
  Academic article
• Bobylev, Alexander V.; Hansen, Alex; Piasecki, Jaroslav; Hauge, Eivind Hiis. (2001) From the Liouville equation to the generalized Boltzmann equation for magnetotransport in the 2D Lorentz model. Journal of statistical physics
  Academic article
• Olivi-Tran, Natalie; Batrouni, George; Hansen, Alex. (2001) Crack formation in two-dimensional annular networks. Journal of Physics: Condensed Matter
  Academic article
• Bakk, Audun; Hansen, Alex; Sneppen, Kim. (2001) Protein model exhibiting three folding transitions. Physica A: Statistical Mechanics and its Applications
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex. (2001) Heat Capacity of Protein Folding. Biophysical Journal
  Academic article
• Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George. (2001) Distinguishing Fractional and White Noise in One and Two Dimensions. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Skjetne, Bjørn; Helle, Torbjørn; Hansen, Alex. (2001) Roughness of Crack Interfaces in Two-Dimensional Beam Lattices. Physical Review Letters
  Academic article
• Oliveira, Fernando Albuquerque; Morgado, R; Dias, C; Batrouni, G. George; Hansen, Alex. (2001) Comment on non-stationarity induced by long-time noise correlations in the Langevin equation. Physical Review Letters
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Sneppen, Kim. (2001) Thermodynamical implications of a protein model with water interactions. Journal of Theoretical Biology
  Academic article
• Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) Proteins Top-Down: A Statistical Mechanics Approach. Physica A: Statistical Mechanics and its Applications
  Academic article
• Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Physics of Fashion Fluctuations. Physica A: Statistical Mechanics and its Applications
  Academic article
• Frantziskonis, George N.; Hansen, Alex. (2000) Wavelet-based Multiscaling in Self-Affine Random Media. Fractals
  Academic article
• Aker, Eyvind; Hansen, Alex; Måløy, Knut Jørgen. (2000) A numerical study of capillary and viscous drainage in porous media. Recent Research Developments in Fluid Dynamics
  Academic article
• Bakk, Audun; Høye, Johan Skule; Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim. (2000) Pathways in two-state protein folding. Biophysical Journal
  Academic article
• Hansen, Alex; Schmittbuhl, Jean; Batrouni, G. George; Oliveira, Fernando A. de. (2000) Normal stress distribution of rough surfaces in contact. Geophysical Research Letters
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Dynamics of stable viscous displacement in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (2000) Modeling molecular motors as folding-unfolding cycles. Europhysics letters
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacements in porous media: Simulations and experiments. Europhysics letters
  Academic article
• Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Måløy, Knut Jørgen. (2000) Geometry and dynamics of invasion percolation with correlated buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Donangelo, Raul; Hansen, Alex; Sneppen, Kim; Souza, Sergio R.. (2000) Modelling an imperfect market. Physica A: Statistical Mechanics and its Applications
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Basak, Soumen. (2000) Burst dynamics during drainage displacement in porous media: Simulations and experiments. Europhysics letters
  Academic article
• Knudsen, Henning Arendt; Hansen, Alex. (2000) Diamagnetic susceptibility and current distributions in granular superconductors. Physical Review B. Condensed Matter and Materials Physics
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex. (2000) Viscous Stabilization of 2D Drainage Displacements with Trapping. Physical Review Letters
  Academic article
• Schmittbuhl, Jean; Hansen, Alex; Auradou, Harold; Maloy, Knut Jorgen. (2000) Geometry and Dynamics of Invasion Percolation with Correlated Buoyancy. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Auradou, Harold; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex; Bideau, Daniel. (1999) Competition between correlated buoyancy and uncorrelated capillary effects during drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Auradou, Harold; Maloy, Knut Jorgen; Schmittbuhl, Jean; Hansen, Alex. (1999) Competition between Correlated Buoyancy and Uncorrelated Capillary Effects during Drainage. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1999) A model for the thermodynamics of globular proteins. Physica A: Statistical Mechanics and its Applications
  Academic article
• Skjetne, Erik; Hansen, Alex; Gudmundsson, Jon Steinar. (1999) High-velocity flow in a self-affine channel. Journal of Fluid Mechanics
  Academic article
• Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1999) Hot and cold denaturation of proteins: Critical Aspects. European Physical Journal B : Condensed Matter Physics
  Academic article
• Ippolito, Irene; Bideau, Daniel; Hansen, Alex. (1998) Experimental simulation of polymers in dynamically disordered media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Kertesz, Janos. (1998) Tunneling percolation: Universality and application to the integer quantum Hall effect. Philosophical Magazine
  Academic article
• Hansen, Alex; Jensen, Mogens H; Sneppen, Kim; Zocchi, Giovanni. (1998) Statistical mechanics of warm and cold unfolding of proteins. European Physical Journal B : Condensed Matter Physics
  Academic article
• Batrouni, Ghassan George; Hansen, Alex. (1998) Fracture in three-dimensional fuse networks. Physical Review Letters
  Academic article
• Simonsen, Ingve; Hansen, Alex; Nes, Olav Magnar. (1998) Determination of hust exponents by use of the wavelet transform,. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Samseth, Jon; Kirkedalen, May Britt; Maaø, Frank A.; Hansen, Alex; Einarsrud, Mari-Ann. (1998) Liesegang pattern formation by gas diffusion in silica aerogels. Journal of Non-Crystalline Solids
  Academic article
• Einarsrud, Mari-Ann; Maaø, Frank A.; Hansen, Alex; Kirkedelen, May Britt; Samseth, Jon. (1998) Band formation during gaseous diffusion in aerogels. Physical Review A. Atomic, Molecular, and Optical Physics (PRA)
  Academic article
• Simonsen, Ingve; Hansen, Alex; Nes, Olav-Magnar. (1998) Determination of the Hurst exponent by use of wavelet transforms. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Aker, Eyvind; Måløy, Knut Jørgen; Hansen, Alex; Batrouni, George. (1998) A two-dimensional network simulator for two-phase flow in porous media. Transport in Porous Media
  Academic article
• Hansen, Alex; Aker, Eyvind; Måløy, Knut Jørgen. (1998) Simulating temporal evolution of pressure in two-phase flow in porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Jensen, Mogens H.; Sneppen, Kim; Zocchi, Giovanni. (1998) A hierarchical scheme for cooperativity and folding in proteins. Physica A: Statistical Mechanics and its Applications
  Academic article
• Frette, Olav Inge; Måløy, Knut Jørgen; Schmittbuhl, Jean; Hansen, Alex. (1997) Immiscible displacement of viscosity-matched fluids in two-dimensional porous media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Piasecki, J.; Hansen, Alex; Hauge, Eivind H.. (1997) Magnetotransport in the 2D Lorentz model : linear and nonlinear effects of a weak electric field. Journal of Physics A: Mathematical and General
  Academic article
• Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Geometrical exponents in the integer quantum Hall effect. Europhysics letters
  Academic article
• Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind H.. (1997) There is more to be learned from the Lorentz model. Journal of statistical physics
  Academic article
• Kloster, M.; Hansen, Alex; Hemmer, P.C.. (1997) Burst avalanches in solvable models of fibrous materials. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Batrouni, G. George; Hansen, Alex; Larson, Brond. (1996) Current distribution in the three-dimensional random resistor network at the percolation threshold. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Pennec, Thierry Le; Måløy, Knut Jørgen; Hansen, Alex; Ammi, Madani; Bideau, Daniel; Wu, Xiao-lun. (1996) Ticking hour glasses : experimental analysis of intermittent flow. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Hansen, Alex; Kertész, János. (1996) Absence of self-averaging in global optimization problems. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Wennberg, Kjell Erik; Batrouni, G. George; Hansen, Alex; Horsrud, Per. (1996) Band formation in deposition of fines in porous media. Transport in Porous Media
  Academic article
• Berglund, N.; Hansen, Alex; Hauge, Eivind H.; Piasecki, J.. (1996) Can a local repulsive potential trap an electron?. Physical Review Letters
  Academic article
• Hansen, Alex; Plouraboué, Franck; Roux, Stéphane. (1995) Shadows in a self-affine landscape. Fractals
  Academic article
• Gutfraind, R.; Hansen, Alex. (1995) Study of fracture permeability using lattice gas automata. Transport in Porous Media
  Academic article
• Davy, P.; Hansen, Alex; Bonnet, E.; Zhang, Shou-Zhu. (1995) Localization and fault growth in layered brittle-ductile systems : implications for deformations of the continental lithosphere. Journal of Geophysical Research (JGR)
  Academic article
• Gutfraind, Ricardo; Ippolito, Irene; Hansen, Alex. (1995) Study of tracer dispersion in self-affine fractures using lattice-gas automata. Physics of Fluids
  Academic article
• Hansen, Alex; Lütken, C.A.. (1995) Semiclassical quantum percolation in the quantum Hall system. Physical Review B Condensed Matter
  Academic article
• Bobylev, A.V.; Maaø, Frank A.; Hansen, Alex; Hauge, Eivind Hiis. (1995) Two-dimensional magnetotransport according to the classical Lorentz model. Physical Review Letters
  Academic article
• Lutken, Carsten Andrew; Hansen, Alex. (1995) Semiclassical Quantum Percolation in the Quantum Hall System. Physical Review B. Condensed Matter and Materials Physics
  Academic article
• Riguidel, F.-X.; Hansen, Alex; Bideau, D.. (1994) Gravity-driven motion of a particle on an inclined plane with controlled roughness. Europhysics letters
  Academic article
• Engøy, Thor; Måløy, Knut Jørgen; Hansen, Alex; Roux, Stephane. (1994) Roughness of two-dimensional cracks in wood. Physical Review Letters
  Academic article
• Bideau, Daniel; Ammi, Madani; Hansen, Alex. (1994) Le tic-tac du sablier. La Recherche (Imprimé)
  Academic article
• Roux, Stephane; Hansen, Alex. (1994) Conductance noise in electrodeposition. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics
  Academic article
• Roux, Stephane; Hansen, Alex. (1994) Interface roughening and pinning. Journal de Physique I
  Academic article
• Batrouni, G. George; Hansen, Alex; Ristow, Gerald H.. (1994) Tolerance and sensitivity in the fuse network. Journal of Physics A: Mathematical and General
  Academic article
• Riguidel, Francois-Xavier; Jullien, Remi; Ristow, Gerald H.; Hansen, Alex; Bideau, Daniel. (1994) Behaviour of a sphere on a rough inclined plane. Journal de Physique I
  Academic article
• Måløy, Knut Jørgen; Ammi, Madani; Bideau, Daniel; Hansen, Alex; Wu, Xiao-lun. (1994) Quelques experiences sur le sablier intermittent. Comptes rendues de l'Academie des sciences Series II
  Academic article
• Hansen, Alex; Engøy, Thor; Måløy, Knut Jørgen. (1994) Measuring Hurst exponents with the first return method. Fractals
  Academic article
• Hansen, Alex; Hemmer, P.C.. (1994) Burst avalanches in bundles of fibers : local versus global load-sharing. Physics Letters A
  Academic article

Books

• Feder, Jens; Flekkøy, Eirik Grude; Hansen, Alex. (2022) Physics of Flow in Porous Media. Cambridge University Press Cambridge University Press
  Textbook
• Hansen, Alex. (2021) 2021 Frontiers in Physics Editor's Pick. Frontiers Media S.A. Frontiers Media S.A.
  Academic anthology/Conference proceedings
• Kun, Ferenc; Hansen, Alex; Ray, Purusattam; Pradhan, Srutarshi. (2021) The Fiber Bundle. Frontiers Media S.A. Frontiers Media S.A.
  Academic anthology/Conference proceedings
• Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Kjelstrup, Signe; Måløy, Knut Jørgen; Torsæter, Ole. (2020) Physics of Porous Media. Frontiers Media S.A. Frontiers Media S.A.
  Academic anthology/Conference proceedings
• Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2015) The Fiber Bundle Model Modeling Failure in Materials. Wiley-VCH Wiley-VCH
  Academic monograph
• Bardhan, K.K. red.; Chakrabarti, B.K; Hansen, Alex. (1994) Non-linearity and breakdown in soft condensed matter : proceedings of a workshop held at Calcutta, India, 1-9 December 1993. Springer Springer
  Non-fiction book

Part of book/report

• Hansen, Alex; Hemmer, Per Christian; Pradhan, Srutarshi. (2014) The Fiber Bundle Model.
  Academic chapter/article/Conference paper
• Pradhan, Srutarshi; Hansen, Alex; Hemmer, Per Christian. (2008) Burst statistics as a criterion for imminent failure.
  Academic chapter/article/Conference paper
• Hansen, Alex; Mathiesen, Joachim. (2006) Survey of Scaling Surfaces.
  Academic chapter/article/Conference paper
• Hemmer, Per Christian; Hansen, Alex; Pradhan, Srutarshi. (2006) Rupture processes in fiber bundle models.
  Academic chapter/article/Conference paper
• Hansen, Alex. (2001) Random Fuse Networks: A Review.
  Academic chapter/article/Conference paper
• Hansen, Alex. (2001) Sand, siloer og moderne fysikk.
  Academic chapter/article/Conference paper
• Hansen, Alex; Jensen, Mogens Høgh; Sneppen, Kim; Zocchi, Giovanni. (2000) A model for the thermodynamics of proteins.
  Academic chapter/article/Conference paper
• Hansen, Alex; Roux, Stephane. (2000) Statistics Toolbox for Damage and Fracture.
  Academic chapter/article/Conference paper
• Hansen, Alex; Hemmer, P.C.. (1998) Simultaneous failures in fiber bundles.
  Academic chapter/article/Conference paper
• Bratberg, Ivar; Hansen, Alex; Hauge, Eivind H.. (1997) Tunneling in the integer quantum Hall effect.
  Academic chapter/article/Conference paper
• Hansen, Alex; Hauge, Eivind H.; Hove, Joachim; Maaø, Frank A.. (1997) Criticality in the integer quantum Hall effect.
  Academic chapter/article/Conference paper
• Hansen, Alex. (1995) Sammenbruddets fysikk.
  Academic chapter/article/Conference paper
• Hansen, Alex; Hemmer, P.C.. (1995) Criticality in fracture : the burst distribution.
  Academic chapter/article/Conference paper

Report

• Hansen, Alex; Rosso, Alberto; Lanza, Federico. (2023) Optimal path for the flow of yield stress fluids. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Kolstrup, Gitte Solveig; Aspaas, Per Pippin; Hansen, Alex; Haugen, Ole-Jørgen; Karlstrøm, Henrik; Røeggen, Anders. (2021) Felles publiseringstjeneste i UH-sektoren: Rapport fra arbeidsgruppe utnevnt av UHR-Bibliotek. UHR: Universitets- og høgskolerådet UHR: Universitets- og høgskolerådet
  Report
• Bering, Eivind; Hansen, Alex; Wijn, Astrid S. de. (2021) Stretching, breaking, and dissolution of polymeric nanofibres by computer experiments. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Gjennestad, Magnus Aashammer; Hansen, Alex; Kjelstrup, Signe; Wilhelmsen, Øivind. (2020) Modelling of two-phase equilibrium, stability and steady-state flow in porous media. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Kjellstadli, Jonas Tøgersen; Hansen, Alex; Sudbø, Asle. (2019) Local versus Equal Load Sharing in the Fiber Bundle Model. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media. Constitutive equations. Cornell University Library Cornell University Library
  Report
• Kjelstrup, Signe; Bedeaux, Dick; Hansen, Alex; Hafskjold, Bjørn; Galteland, Olav. (2018) Non-isothermal transport of multi-phase fluids in porous media; The entropy production,. Cornell University Library, Cornell University Library,
  Report
• Hansen, Alex; Sinha, Santanu; Bedeaux, Dick; Kjelstrup, Signe; Gjennestad, Magnus Aashammer; Vassvik, Morten. (2017) Relations between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media,. Cornell University Library, Cornell University Library,
  Report
• Viggen, Erlend Magnus; Hansen, Alex; Kristiansen, Ulf Rikard. (2009) The lattice Boltzmann method with applications in acoustics. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Masters thesis
• Ramstad, Thomas; Hansen, Alex. (2007) Steady-state two-phse porous flow and brittle fracture: A numerical study. NTNU NTNU
  Doctoral dissertation
• Haugen, Nils Erland Leinebø; Hansen, Alex. (2004) Energy spectra and scaling relations in numerical turbulence with laboratory and astrophysical applications. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2004:163)
  Doctoral dissertation

UTSTILLING

• Moura, Marcel; Hansen, Alex; Stoeac-Vlăduți, Mirela. (2023) POROUS MATTER. Void fractions in materials, ideas and society.
  Museum exhibition