Connection topology of step edge state bands at the surface of a three dimensional topological insulator

Connection topology of step edge state bands at the surface of a three dimensional topological insulator

Topological insulators (TIs) in the Bi _2 Se _3 family manifest helical Dirac surface states that span the topologically ordered bulk band gap. Recent scanning tunneling microscopy measurements have discovered additional states in the bulk band gap of Bi _2 Se _3 and Bi _2 Te _3 , localized at one-d...

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Bibliographic Details
Main Authors: Yishuai Xu, Guodong Jiang, Janet Chiu, Lin Miao, Erica Kotta, Yutan Zhang, Rudro R Biswas, L Andrew Wray
Format: Article
Language:English
Published: IOP Publishing 2018-01-01
Series:New Journal of Physics
Subjects:
topological insulator
edge state
surface science
numerical simulation
Online Access:https://doi.org/10.1088/1367-2630/aacef6

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