Questions tagged [solid-state-physics]

Questions about solid state physics.

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13
votes
0answers
154 views

Why does the Wolff algorithm slow down in a 4-body Ising model?

In the paper that introduced "Self-learning MC" (an ML-inspired MC technique, as I understand) the authors consider a many-body Ising model as an example to show the efficiency of their ...
6
votes
1answer
54 views

Example of a standard/archetypal/simple 4-band un-gapped condensed matter model with analytic results?

I am looking to study Berry phase-like phenomena in an un-gapped material model. However, I am having trouble finding a widely-used 4-band model with analytic expressions for wavefunctions and ...
13
votes
4answers
254 views

What are some open-source all-electron DFT alternatives to Wien2K?

Since the beginning of the century, Wien2K has proven to be a very powerful player in computational condensed matter and materials physics. Wien2K is an all-electron periodic DFT code based on the ...
10
votes
1answer
855 views

How to understand the crystal field splitting of d-orbitals in a trigonal prismatic geometry?

This question is coming from this paper, which investigated the spontaneous spin and valley polarizations of monolayer LaBr2. The geometric information of monolayer LaBr2 is displayed as following (Br:...
6
votes
0answers
69 views

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 ...