Journal article
Boundary Supersymmetry of (1+1)D Fermionic Symmetry-Protected Topological Phases
- Abstract:
- We prove that the boundaries of all nontrivial (1+1)-dimensional intrinsically fermionic symmetry-protected-topological phases, protected by finite on-site symmetries (unitary or antiunitary), are supersymmetric quantum mechanical systems. This supersymmetry does not require any fine-tuning of the underlying Hamiltonian, arises entirely as a consequence of the boundary 't Hooft anomaly that classifies the phase, and is related to a "Bose-Fermi" degeneracy different in nature from other well known degeneracies such as Kramers doublets.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 500.2KB, Terms of use)
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- Publisher copy:
- 10.1103/physrevlett.126.236802
Authors
+ National Science Foundation
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- Funder identifier:
- 10.13039/100000001
- Grant:
- DMS-1607871
+ Institute of Clinical and Translational Sciences
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- Funder identifier:
- 10.13039/100007930
- Publisher:
- American Physical Society
- Journal:
- Physical Review Letters More from this journal
- Volume:
- 126
- Issue:
- 23
- Pages:
- 236802-236802
- Article number:
- 236802
- Publication date:
- 2021-06-11
- Acceptance date:
- 2021-05-07
- DOI:
- EISSN:
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1079-7114
- ISSN:
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0031-9007
- Language:
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Latvian
- Keywords:
- Pubs id:
-
1193557
- Local pid:
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pubs:1193557
- Source identifiers:
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W3109707091
- Deposit date:
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2026-03-26
- ARK identifier:
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- Copyright date:
- 2021
- Licence:
- Other
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