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Filling constraints for spin-orbit coupled insulators in symmorphic and nonsymmorphic crystals

We determine conditions on the filling of electrons in a crystalline lattice to obtain the equivalent of a band insulator—a gapped insulator with neither symmetry breaking nor fractionalized excitations. We allow for strong interactions, which precludes a free particle description. Previous approach...

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Detalhes bibliográficos
Publicado no:Proc Natl Acad Sci U S A
Main Authors: Watanabe, Haruki, Po, Hoi Chun, Vishwanath, Ashvin, Zaletel, Michael
Formato: Artigo
Idioma:Inglês
Publicado em: National Academy of Sciences 2015
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4664378/
https://ncbi.nlm.nih.gov/pubmed/26604304
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1514665112
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