Winding numbers and generalized mobility edges in non-Hermitian systems
The Aubry-André-Harper (AAH) model with a self-dual symmetry plays an important role in studying the Anderson localization. Here we find a self-dual symmetry determining the quantum phase transition between extended and localized states in a non-Hermitian AAH model and show that the eigenenergies of...
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| Автори: | , |
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| Формат: | Artigo |
| Мова: | Inglês |
| Опубліковано: |
American Physical Society
2020-07-01
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| Серія: | Physical Review Research |
| Онлайн доступ: | http://doi.org/10.1103/PhysRevResearch.2.033052 |
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