Coulomb gauge
= Coulomb gauge
{c}
{wiki}
The Coulomb gauge imposes
$$
\nabla\cdot A=0
$$
on the <magnetic vector potential>. A <gauge transformation> $A\mapsto A+\nabla\chi$ reaches this gauge when $\chi$ solves
$$
\nabla^2\chi=-\nabla\cdot A.
$$
= Coulomb gauge
{c}
{wiki}
The Coulomb gauge imposes
$$
\nabla\cdot A=0
$$
on the <magnetic vector potential>. A <gauge transformation> $A\mapsto A+\nabla\chi$ reaches this gauge when $\chi$ solves
$$
\nabla^2\chi=-\nabla\cdot A.
$$