Vector Potential
A function A such that
| B=del xA. |
The most common use of a vector potential is the representation of a magnetic field. If a vector field has zero divergence, it may be represented by a vector potential.
See also
Divergence, Helmholtz's Theorem, Potential Function, Solenoidal Field, Vector FieldExplore with Wolfram|Alpha
WolframAlpha
More things to try:
Cite this as:
Weisstein, Eric W. "Vector Potential." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/VectorPotential.html