Vector potential
= Vector potential
{wiki}
A vector potential for a divergence-free vector field $F$ is a vector field $A$ satisfying $F=\nabla\times A$. It is not unique because adding a <gradient> leaves its curl unchanged.
= Vector potential
{wiki}
A vector potential for a divergence-free vector field $F$ is a vector field $A$ satisfying $F=\nabla\times A$. It is not unique because adding a <gradient> leaves its curl unchanged.