Transverse vector field
= Transverse vector field
A vector field is transverse when $\partial_\mu V^\mu=0$ in spacetime, or $\mathbf k\cdot\mathbf V=0$ for a spatial Fourier mode.
= Transverse vector field
A vector field is transverse when $\partial_\mu V^\mu=0$ in spacetime, or $\mathbf k\cdot\mathbf V=0$ for a spatial Fourier mode.