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26 April 2024 |
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Article overview
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Topological non-symmorphic crystalline insulators | Chao-Xing Liu
; Rui-Xing Zhang
; | Date: |
21 Aug 2013 | Abstract: | In this work, we identify a new class of Z2 topological insulator protected
by non-symmorphic crystalline symmetry, dubbed a "topological non-symmorphic
crystalline insulator". We construct a concrete tight-binding model with the
non-symmorphic space group pmg and confirm the topological nature of this model
by calculating topological surface states and defining a Z2 topological
invariant. Based on the projective representation theory, we extend our
discussion to other non-symmorphic space groups that allows to host topological
non-symmorphic crystalline insulators. | Source: | arXiv, 1308.4717 | Services: | Forum | Review | PDF | Favorites |
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