Quantum scars of bosons with correlated hopping

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dc.citation.issue1
dc.citation.rankM21
dc.citation.spage99
dc.citation.volume3
dc.contributor.authorHudomal, Ana
dc.contributor.authorVasić, Ivana
dc.contributor.authorRegnault, Nicolas
dc.contributor.authorPapić, Zlatko
dc.date.accessioned2024-06-18T07:22:58Z
dc.date.available2024-06-18T07:22:58Z
dc.date.issued2020-06-01
dc.description.abstractRecent experiments on Rydberg atom arrays have found evidence of anomalously slow thermalization and persistent density oscillations, which have been interpreted as a many-body analog of the phenomenon of quantum scars. Periodic dynamics and atypical scarred eigenstates originate from a “hard” kinetic constraint: the neighboring Rydberg atoms cannot be simultaneously excited. Here we propose a realization of quantum many-body scars in a 1D bosonic lattice model with a “soft” constraint in the form of density-assisted hopping. We discuss the relation of this model to the standard Bose-Hubbard model and possible experimental realizations using ultracold atoms. We find that this model exhibits similar phenomenology to the Rydberg atom chain, including weakly entangled eigenstates at high energy densities and the presence of a large number of exact zero energy states, with distinct algebraic structure.
dc.identifier.doi10.1038/s42005-020-0364-9
dc.identifier.issn2399-3650
dc.identifier.scopus2-s2.0-85085887612
dc.identifier.urihttps://pub.ipb.ac.rs/handle/123456789/111
dc.identifier.wos000539282600004
dc.language.isoen
dc.publisherNature Portfolio
dc.relation.ispartofCommunications Physics
dc.relation.ispartofabbrCommun. Phys.
dc.rightsopenAccess
dc.titleQuantum scars of bosons with correlated hopping
dc.typeArticle
dc.type.versionpublishedVersion
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