Today's post is a little plain Jane, (as far as I know), in that it's just a review of our classes' derivation of the boundary conditions for the electrical displacement field at an interface between two materials. Here's a question. Does anyone know of anything, cool or clever to take away from the following derivation? At the moment, it seems necessary, but not tantalizing.
First, we'll need the Divergence Theorem, (picture 1),
Picture of the Day: