- #1

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[tex]

\bold{\nabla}\times{1\over\epsilon(\bold{x})}\bold{\nabla}\times\bold{H}=\left({\omega\over{c}}\right)^2\bold{H}

[/tex]

I can apply Bloch-Floquet theorem and then draw a lot of conclusion.

Where does Bloch-Floquet theorem come from, when can I apply it and how can it be explained?

Please help or give references to where i can read about it.

Thanks!

/Daniel