Realizing exceptional points of any order in the presence of symmetry
Exceptional points (EPs) appear as degeneracies in the spectrum of non-Hermitian matrices at which the eigenvectors coalesce. In general, an EP of order n may find room to emerge if 2(n−1) real constraints are imposed. Our results show that these constraints can be expressed in terms of the determin...
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| Principais autores: | , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
American Physical Society
2022-05-01
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| Serier: | Physical Review Research |
| Online adgang: | http://doi.org/10.1103/PhysRevResearch.4.023130 |
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