Topological transitions with an imaginary Aubry-André-Harper potential

We study one-dimensional lattices with imaginary-valued Aubry-André-Harper (AAH) potentials. Such lattices can host edge states with purely imaginary eigenenergies, which differ from the edge states of the Hermitian AAH model and are stabilized by a non-Hermitian particle-hole symmetry. The edge sta...

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Bibliographic Details
Main Authors: Zhu, Bofeng, Lang, Li-Jun, Wang, Qiang, Wang, Qi Jie, Chong, Yidong
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2023
Subjects:
Online Access:https://hdl.handle.net/10356/169642
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Institution: Nanyang Technological University
Language: English
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