On Sun, 4 Jun 2006, K. Choi wrote:
I have some problems calculate a band diagram of metallic pc. When I calculate my own ctl code, I couldn't get modes. What is the problem?

I noticed that you specified two odd mirror planes, when in fact your source has no such symmetry. Even if you change your source to have mirror symmetry, the k-point in general breaks the symmetry. Symmetry of the *structure* is *not* enough to guarantee symmetry in the *fields*. You probably shouldn't specify any symmetry at all for a 2d band diagram.

To simplify matters I would also suggest starting with a perfect-metal case. (Use the predefined "metal" material.)

Steven

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