Real spectra in non-Hermitian topological insulators
Spectra of bulk or edges in topological insulators are often made complex by non-Hermiticity. Here, we show that symmetry protection enables entirely real spectra for both bulk and edges even in non-Hermitian topological insulators. In particular, we demonstrate the entirely real spectra without non...
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| Autori principali: | , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
American Physical Society
2020-09-01
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| Serie: | Physical Review Research |
| Accesso online: | http://doi.org/10.1103/PhysRevResearch.2.033391 |
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