Exceptional points in a non-Hermitian topological pump

Exceptional points in a non-Hermitian topological pump

We investigate the effects of non-Hermiticity on topological pumping and uncover a connection between a topological edge invariant based on topological pumping and the winding numbers of exceptional points. In Hermitian lattices, it is known that the topologically nontrivial regime of the topologica...

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Bibliographic Details
Main Authors: Hu, Wenchao, Wang, Hailong, Shum, Perry Ping, Chong, Yi Dong
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2018
Subjects:
Classical Optics
Edge States
DRNTU::Science::Physics
Online Access:https://hdl.handle.net/10356/80713
http://hdl.handle.net/10220/46593
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Institution: Nanyang Technological University
Language: English

Internet

https://hdl.handle.net/10356/80713
http://hdl.handle.net/10220/46593

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