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Filling-Enforced Gaplessness in Band Structures of the 230 Space Groups.

PHYSICAL REVIEW LETTERS, no. 9 (2016): 096404-096404

引用：62|浏览28

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pubmed.ncbi.nlm.nih.gov academic.microsoft.com arxiv.org

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Nonsymmorphic symmetries like screws and glides produce electron band touchings, obstructing the formation of a band insulator and leading, instead, to metals or nodal semimetals even when the number of electrons in the unit cell is an even integer. Here, we calculate the electron fillings compatible with being a band insulator for all 23...更多

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