Engineering edge-state currents at the interface between narrow ribbons of two-dimensional topological insulators

We consider a junction between two semi-infinite narrow ribbons of a two-dimensional (2D) topological insulator (TI) and calculate the electron current through the interface carried by one-dimensional (1D) edge states formed in the bulk band gap. In addition to an abrupt interface between ribbons, w...

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Bibliographic Details
Main Authors: H. Ishida, A. Liebsch
Format: Article
Language:English
Published: American Physical Society 2020-05-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.2.023242