Homework Statement
In dielectric, homogeneous media show that:
i\textbf{k} \times \tilde{\textbf{E}} = i\omega\tilde{\textbf{B}} (1)
k is the wave vector, and E-tilda is complex constant vector.
Homework Equations
\textbf{E} = \textbf{\tilde{E}}e^{i(k.r - \omega t)} + c.c...