Topological properties in non-Hermitian tetratomic Su-Schrieffer-Heeger lattices
In this paper, we study the topological properties of non-Hermitian Su-Schrieffer-Heeger (SSH) lattices by periodically introducing onsite imaginary potentials in the manner of (iγ_{1}, −iγ_{2}, −iγ_{1}, iγ_{2}), where γ_{1} and γ_{2} are the imaginary-potential strengths. Results show that by chang...
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| Principais autores: | , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
American Physical Society
2022-04-01
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| Serier: | Physical Review Research |
| Online adgang: | http://doi.org/10.1103/PhysRevResearch.4.023009 |
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