Weak in the boundary: How weak SPT phases spoil anomaly matching

Fuente: arXiv
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Hauptverfasser: Sheinbaum, Daniel, Camarena, Omar Antolín
Format: Preprint
Veröffentlicht: 2025
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author Sheinbaum, Daniel
Camarena, Omar Antolín
author_facet Sheinbaum, Daniel
Camarena, Omar Antolín
contents We show how weak symmetry protected topological (SPT) phases on systems with a boundary are not in 1-to-1 correspondence with weak SPT phases on fully periodic systems, breaking the standard anomaly inflow interpretation of SPT phases. We further discuss the implications for the crystalline equivalence principle (CEP).
format Preprint
id arxiv_https___arxiv_org_abs_2507_17179
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Weak in the boundary: How weak SPT phases spoil anomaly matching
Sheinbaum, Daniel
Camarena, Omar Antolín
Strongly Correlated Electrons
Mathematical Physics
Algebraic Topology
We show how weak symmetry protected topological (SPT) phases on systems with a boundary are not in 1-to-1 correspondence with weak SPT phases on fully periodic systems, breaking the standard anomaly inflow interpretation of SPT phases. We further discuss the implications for the crystalline equivalence principle (CEP).
title Weak in the boundary: How weak SPT phases spoil anomaly matching
topic Strongly Correlated Electrons
Mathematical Physics
Algebraic Topology
url https://arxiv.org/abs/2507.17179