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Results tagged with Search options user 46073

The study of physical properties of condensed phases of matter, including solids and liquids.

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This actually depends on your boundary conditions in the problem! It's important to say what boundary conditions you are putting on the wavefunctions. The two most common choices for a free electron g …
answered Sep 28 '16 by miggle
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Suppose we have a momentum space tight binding Hamiltonian $H(\vec{k})$ that describes some topologically ordered system. It could be a Chern insulator in two dimensions, or a Weyl semimetal in three …
asked Mar 17 by miggle
3
votes
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I've been working through Ashcroft and Mermin to review some aspects of solid state physics and I think problem 4 in chapter 13 might have a misprint. Since there don't seem to be errata available I t …
asked Nov 21 '15 by miggle
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I've recently worked on a lattice model relevant to condensed matter physics. The model features an ordered phase with a broken $U(1)$ symmetry, so I anticipated the presence of a Goldstone mode. One …
asked Jun 29 by miggle
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I've been reading about frustrated quantum magnets lately and a prominent topic is the study of antiferromagnets on the Kagome lattice. A calculation of the spectrum for the sort of model I have in mi …
asked Apr 4 by miggle