Gauge transformation
= Gauge transformation
{wiki}
The transformation $A\mapsto A+\nabla\chi$ leaves $B=\nabla\times A$ unchanged because the <curl> of a <gradient> vanishes.
= Gauge transformation
{wiki}
The transformation $A\mapsto A+\nabla\chi$ leaves $B=\nabla\times A$ unchanged because the <curl> of a <gradient> vanishes.