Weak in the boundary: How weak SPT phases spoil anomaly matching
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866911073842495488 |
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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 |