论文标题
拓扑缺陷处的拓扑现象
Topological phenomena at topological defects
论文作者
论文摘要
拓扑数学概念在材料物理学上有两个突出的应用：带拓扑，它分类了不同的拓扑绝缘子和半学，以及代表固体晶格与其理想结晶形式的不变偏差的拓扑缺陷。尽管这两种类别的拓扑现象通常被视为单独的主题，但最近的实验进步已经开始探究其复杂且令人惊讶的相互作用，包括实际材料以及合成的超材料。拓扑材料中的拓扑晶格缺陷为探索各种新现象的平台提供了一个平台，例如通过拓扑缺陷，嵌入式拓扑阶段，合成维度和非铁皮皮肤效应进行拓扑泵送。从这个角度来看，我们调查了这个快速移动的领域的发展，并对其对材料科学和应用的影响有前景。
There are two prominent applications of the mathematical concept of topology to the physics of materials: band topology, which classifies different topological insulators and semimetals, and topological defects that represent immutable deviations of a solid lattice from its ideal crystalline form. While these two classes of topological phenomena have generally been treated as separate topics, recent experimental advancements have begun to probe their intricate and surprising interactions, in real materials as well as synthetic metamaterials. Topological lattice defects in topological materials offer a platform to explore a diverse range of novel phenomena, such as topological pumping via topological defects, embedded topological phases, synthetic dimensions, and non-Hermitian skin effects. In this Perspective, we survey the developments in this rapidly moving field, and give an outlook of its impact on materials science and applications.
