Generalized Bloch band theory for non-Hermitian bulk–boundary correspondence
Abstract Bulk–boundary correspondence is the cornerstone of topological physics. In some non-Hermitian topological systems this fundamental relation is broken in the sense that the topological number calculated for the Bloch energy band under the periodic boundary condition fails to reproduce the bo...
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| Veröffentlicht in: | Progress of theoretical and experimental physics 2020-12, Vol.2020 (12) |
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| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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