d_b
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0 answers
2 votes
48 views
Nambu-Goldstone mode without symmetry breaking
1 answers
1 votes
68 views
Long-range correlations in transverse field Ising model
0 answers
3 votes
35 views
Is the superconducting gap the same as the many-body gap in superconductor?
0 answers
5 votes
59 views
How to see that the trivial insulator is trivial?
3 answers
6 votes
848 views
2 bookmarks
Why can we choose spin-1/2 degrees of freedom to commute?
0 answers
1 votes
33 views
Empirical definition of gapped quantum system
0 answers
2 votes
26 views
Excitations and representation categories
1 answers
6 votes
265 views
5 bookmarks
What is topological about topological (Dirac or Weyl) semimetals?
2 answers
3 votes
105 views
1 bookmarks
Motivating momentum without Newton's laws
1 answers
3 votes
228 views
1 bookmarks
What is the Hilbert space of the SYK model?
1 answers
6 votes
261 views
2 bookmarks
What is a theory of gravity?
1 answers
5 votes
1k views
4 bookmarks
Berry curvature of Landau levels