Sangam: A Confluence of Knowledge Streams

Localization properties of Chern insulators

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dc.contributor Massachusetts Institute of Technology. Department of Mathematics
dc.creator Bezrukavnikov, Roman
dc.creator Kapustin, Anton
dc.date 2021-12-17T17:14:46Z
dc.date 2021-09-20T17:17:12Z
dc.date 2021-12-17T17:14:46Z
dc.date 2019-03
dc.date 2020-09-24T21:17:59Z
dc.date.accessioned 2023-03-01T18:06:40Z
dc.date.available 2023-03-01T18:06:40Z
dc.identifier https://hdl.handle.net/1721.1/131471.2
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/278786
dc.description We study the localization properties of the equal-time electron Green’s function in a Chern insulator in an arbitrary dimension and with an arbitrary number of bands. We prove that the Green’s function cannot decay super-exponentially if the Hamiltonian is finite-range and the quantum Hall response is nonzero. For a general band Hamiltonian (possibly infinite-range), we prove that the Green’s function cannot be finite-range if the quantum Hall response is nonzero. The proofs use methods of algebraic geometry.
dc.format application/octet-stream
dc.language en
dc.publisher Springer International Publishing
dc.relation https://doi.org/10.1007/s40598-019-00098-8
dc.rights Creative Commons Attribution-Noncommercial-Share Alike
dc.rights http://creativecommons.org/licenses/by-nc-sa/4.0/
dc.rights Institute for Mathematical Sciences (IMS), Stony Brook University, NY
dc.source Springer International Publishing
dc.title Localization properties of Chern insulators
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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