Topological dipole insulator

We expand the concept of two-dimensional topological insulators to encompass a novel category known as topological dipole insulators (TDIs), characterized by conserved dipole moments along the $x$-direction in addition to charge conservation. By generalizing Laughlin's flux insertion argument,...

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Bibliographic Details
Main Author: Ho Tat Lam, Jung Hoon Han, Yizhi You
Format: Article
Language:English
Published: SciPost 2024-11-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.17.5.137