10:07 PM
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Q: Example of a standard/archetypal/simple 4-band gapped condensed matter model with analytic results?
I am looking to study Berry phase-like phenomena in a gapped 4-band material model. In particular, I want to numerically and analytically calculate the Abelian Berry curvature integral of each band over some region of k-space. It should be easy to calculate the Chern number of this system. Howeve...
Since they are asking for an example of something. however it already has the maximum number of tags, which is 5. I see nothing in the question requiring that the sought model describes an insulator. Do you think the topological-insulators tag needs to be there? Out of all of the tags there, it seems to me that this one is the one that would be most appropriate to replace. But this seems to be more in your area of research than mine!
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