On Jul 8, 2009, at 10:29 PM, lfwang wrote:
Dear Steven and MPB-users:
I need to simulate a core-shell fcc structure ( core with
dielectric constant epsilon1 + shell with dielectric constant
epsilon2) by mpb. But I don't know how to define dielectric constant
of spheres(core+shell).
Just specify 2 concentric spheres, the first with the shell radius and
epsilon2 and the second with the core radius and epsilon1. This will
give you epsilon1 surrounded by a shell of epsilon2.
Steven
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