Force-free magnetic field
= Force-free magnetic field
{wiki}
A force-free magnetic field obeys $(\nabla\times\mathbf B)\times\mathbf B=0$, so its electric current is locally parallel to the magnetic field.
= Force-free magnetic field
{wiki}
A force-free magnetic field obeys $(\nabla\times\mathbf B)\times\mathbf B=0$, so its electric current is locally parallel to the magnetic field.