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math-ph2024
Weak topological phases in the presence of interactions
Omar Antolín Camarena, Arun Debray, Cameron Krulewski +3
We study weak symmetry-protected topological phases (SPTs) in the presence of short-range interactions. By comparing homotopical free and interacting classifications of these SPTs,…
cond-mat.str-el2024
Failure of the Crystalline Equivalence Principle for Weak Free Fermions
Daniel Sheinbaum, Omar Antolín-Camarena
Interacting crystalline SPT phases were first classified by Thorngren and Else through the crystalline equivalence principle, suggesting that a spatial group symmetry can be treate…