An extension of the Bohr model of the hydrogen atom to include a second quantization condition on
elliptical orbits in addition to special relativity. This model removes the degeneracy of electrons present in
the Bohr model by using the two quantum numbers and
Bohr Model, Hydrogen Atom, Plum Pudding Model, Rutherford's Model, Sommerfeld-Wilson Quantization Condition
References
Eisberg, R. and Resnick, R. "Sommerfeld's Model." §4-10 in Quantum Physics of Atoms, Molecules, Solids, Nuclei, and Particles, 2nd ed. New York: Wiley, pp. 114-117, 1985.
