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...
Main Authors: | Watanabe, Haruki, Po, Hoi Chun, Vishwanath, Ashvin, Zaletel, Michael |
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Other Authors: | Massachusetts Institute of Technology. Department of Physics |
Format: | Article |
Language: | en_US |
Published: |
National Academy of Sciences (U.S.)
2017
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Online Access: | http://hdl.handle.net/1721.1/108668 |
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