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Topological Defects in Symmetry-Protected Topological Phases
Annual Review of Condensed Matter Physics ( IF 22.6 ) Pub Date : 2017-03-31 00:00:00 , DOI: 10.1146/annurev-conmatphys-031016-025154
Jeffrey C.Y. Teo 1 , Taylor L. Hughes 2
Affiliation  

The phenomena associated with topological defects have had an enormous impact in condensed matter physics for more than 50 years. Beginning with an understanding of topological defects in ordered phases, the field is now sharply focused on defects in topological phases of matter. In this review, we cover aspects of defects in conventional ordered media, bound states on defects in strong topological insulators (TIs) and topological superconductors (TSCs), and bound states on defects in crystalline topological phases protected by spatial symmetries. As a unifying theme, we present the structure of many types of index theorems that relate the existence of topological bound states to the bulk topology of the host phase of matter and the topological charge of the relevant defects.

中文翻译:


受对称保护的拓扑阶段中的拓扑缺陷

与拓扑缺陷相关的现象在50多年来对凝聚态物理产生了巨大影响。从对有序阶段的拓扑缺陷的了解开始,现在该领域集中在物质的拓扑阶段的缺陷上。在这篇综述中,我们涵盖了常规有序介质中缺陷的各个方面,强拓扑绝缘体(TI)和拓扑超导体(TSC)中缺陷的束缚态以及受空间对称性保护的晶体拓扑相中缺陷的束缚态。作为一个统一的主题,我们介绍了许多类型的指数定理的结构,这些定理将拓扑束缚态的存在与物质宿主相的整体拓扑以及相关缺陷的拓扑电荷相关联。

更新日期:2017-03-31
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