Electromagnetic wave equation
= Electromagnetic wave equation
{wiki}
In vacuum, each field obeys $\nabla^2E-c^{-2}E_{tt}=0$ and $\nabla^2B-c^{-2}B_{tt}=0$.
= Electromagnetic wave equation
{wiki}
In vacuum, each field obeys $\nabla^2E-c^{-2}E_{tt}=0$ and $\nabla^2B-c^{-2}B_{tt}=0$.