Symmetry-protected hierarchy of anomalous multipole topological band gaps in nonsymmorphic metacrystals
作者： Xiujuan Zhang , Zhi-Kang Lin , Hai-Xiao Wang , Zhan Xiong , Yuan Tian
DOI: 10.1038/S41467-019-13861-4
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摘要: Symmetry and topology are two fundamental aspects of many quantum states of matter. Recently new topological materials, higher-order topological insulators, were discovered, …
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