Alice strings in non-Hermitian systems
An Alice string is a topological defect with a very peculiar feature. When a defect with a monopole charge encircles an Alice string, the monopole charge changes sign. In this paper, we generalize this notion to the momentum space of periodic media with loss and gain. In particular, we find that the...
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| Autors principals: | , , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
American Physical Society
2020-05-01
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| Col·lecció: | Physical Review Research |
| Accés en línia: | http://doi.org/10.1103/PhysRevResearch.2.023226 |
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