Topological router induced via long-range hopping in a Su-Schrieffer-Heeger chain

We show how to implement the various kinds of topological routers via introducing the specific long-range hopping in the one-dimensional modulated Su-Schrieffer-Heeger chain. We find that the long-range hopping with hopping amplitudes identical to those of the intercell hopping between the first sit...

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Bibliographic Details
Main Authors: Lu Qi, Yu Yan, Yan Xing, Xue-Dong Zhao, Shutian Liu, Wen-Xue Cui, Xue Han, Shou Zhang, Hong-Fu Wang
Format: Article
Language:English
Published: American Physical Society 2021-04-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.3.023037