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EnglishWe show that the inclusion of nonlocal correlation effects in a variational wave function for the ground state of a topological Anderson lattice Hamiltonian is capable of describing both topologically trivial insulating phases and nontrivial ones characterized by an indirect gap, as well as its closure at the transition into a metallic phase. The method, though applied to an oversimplified model, thus captures the metallic and insulating states that are indeed observed in a variety of Kondo semiconductors, while accounting for topologically nontrivial band structures. © 2016 American Physical Society.
| Titolo: | Many-body breakdown of indirect gap in topological Kondo insulators | |
| Autori: | Wysokiński, M. M.; Fabrizio, M. | |
| Rivista: | ||
| Data di pubblicazione: | 2016 | |
| Volume: | 94 | |
| Fascicolo: | 12 | |
| Pagina iniziale: | 1 | |
| Pagina finale: | 5 | |
| Numero di Articolo: | 121102 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevB.94.121102 | |
| URL: | https://arxiv.org/abs/1605.08865 http://cdsads.u-strasbg.fr/abs/2016PhRvB..94l1102W | |
| Appare nelle tipologie: | 1.1 Journal article |
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|---|---|---|---|---|
| PhysRevB.94.121102.pdf | Versione Editoriale (PDF) | Non specificato | Administrator Richiedi una copia |
Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.11767/48586
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