Edge Modes, Degeneracies, and Topological Numbers in Non-Hermitian Systems
We analyze chiral topological edge modes in a non-Hermitian variant of the 2D Dirac equation. Such modes appear at interfaces between media with different “masses” and/or signs of the “non-Hermitian charge.” The existence of these edge modes is intimately related to exceptional points of the bulk Ha...
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| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2017
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/83306 http://hdl.handle.net/10220/42547 |
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| Institution: | Nanyang Technological University |
| Language: | English |