Topological States in Two-Dimensional Su-Schrieffer-Heeger Models

Topological States in Two-Dimensional Su-Schrieffer-Heeger Models

We study the topological properties of the generalized two-dimensional (2D) Su-Schrieffer-Heeger (SSH) models. We show that a pair of Dirac points appear in the Brillouin zone (BZ), consisting a semimetallic phase. Interestingly, the locations of these Dirac points are not pinned to any high-symmetr...

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Bibliographic Details
Main Author:	Chang-An Li
Format:	Article
Language:	English
Published:	Frontiers Media S.A. 2022-03-01
Series:	Frontiers in Physics
Subjects:	su-schrieffer-heeger (SSH) models topological states two-dimensions Dirac points topological phase transitions
Online Access:	https://www.frontiersin.org/articles/10.3389/fphy.2022.861242/full

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