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Danieli, Carlo
복잡계 이론물리 연구단
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Quantum caging in interacting many-body all-bands-flat lattices

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dc.contributor.authorCarlo Danieli-
dc.contributor.authorAlexei Andreanov-
dc.contributor.authorThudiyangal Mithun-
dc.contributor.authorSergej Flach-
dc.date.accessioned2021-09-10T01:30:03Z-
dc.date.accessioned2021-09-10T01:30:03Z-
dc.date.available2021-09-10T01:30:03Z-
dc.date.available2021-09-10T01:30:03Z-
dc.date.created2021-09-06-
dc.date.issued2021-08-15-
dc.identifier.issn2469-9950-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/10228-
dc.description.abstractWe consider translationally invariant tight-binding all-bands-flat networks which lack dispersion. In a recent work [C. Danieli et al., Phys. Rev. B 104, 085131 (2021)], we identified the subset of these networks that shows nonlinear caging in the presence of Kerr-like local nonlinearities, i.e., it preserves nonexcited network sites and therefore keeps compact excitations compact. Here we replace nonlinear terms by Bose-Hubbard interactions and study quantum caging. We identify the quantum caging conditions that are related to the nonlinear caging conditions and that guarantee the existence of an extensive set of conserved quantities in any lattice dimension, as first revealed in Tovmasyan et al. [Phys. Rev. B 98, 134513 (2018)] for a set of specific networks. Consequently, transport is realized through moving pairs of interacting particles that break the single-particle caging. We further prove the existence of degenerate energy renormalized compact states for any finite number M of participating particles in one- and higher-dimensional lattice-results that explain and generalize previous observations for two particles on a diamond chain [Vidal et al., Phys. Rev. Lett. 85, 3906 (2000)].-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titleQuantum caging in interacting many-body all-bands-flat lattices-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000686911400002-
dc.identifier.scopusid2-s2.0-85114027453-
dc.identifier.rimsid76338-
dc.contributor.affiliatedAuthorCarlo Danieli-
dc.contributor.affiliatedAuthorAlexei Andreanov-
dc.contributor.affiliatedAuthorThudiyangal Mithun-
dc.contributor.affiliatedAuthorSergej Flach-
dc.identifier.doi10.1103/PhysRevB.104.085132-
dc.identifier.bibliographicCitationPHYSICAL REVIEW B, v.104, no.8-
dc.relation.isPartOfPHYSICAL REVIEW B-
dc.citation.titlePHYSICAL REVIEW B-
dc.citation.volume104-
dc.citation.number8-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalWebOfScienceCategoryPhysics, Condensed Matter-
dc.subject.keywordPlusTRANSITION-
dc.subject.keywordPlusSTATES-
dc.subject.keywordPlusCAGES-
dc.subject.keywordPlusPHASE-
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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