Axial gauge
= Axial gauge
{wiki}
An <axial gauge> imposes $n^\mu A_\mu=0$ for a fixed vector $n^\mu$. Its <Faddeev-Popov operator> is $n^\mu D_\mu$; on the strict gauge slice its gauge-field-dependent part vanishes, so its ghosts decouple.
= Axial gauge
{wiki}
An <axial gauge> imposes $n^\mu A_\mu=0$ for a fixed vector $n^\mu$. Its <Faddeev-Popov operator> is $n^\mu D_\mu$; on the strict gauge slice its gauge-field-dependent part vanishes, so its ghosts decouple.