Observation of many-body scarring in a Bose-Hubbard quantum simulator

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dc.citation.issue2
dc.citation.rankM21
dc.citation.spage023010
dc.citation.volume5
dc.contributor.authorSu, Guo-Xian
dc.contributor.authorSun, Hui
dc.contributor.authorHudomal, Ana
dc.contributor.authorDesaules, Jean-Yves
dc.contributor.authorZhou, Zhao-Yu
dc.contributor.authorYang, Bing
dc.contributor.authorHalimeh, Jad C.
dc.contributor.authorYuan, Zhen-Sheng
dc.contributor.authorPapić, Zlatko
dc.contributor.authorPan, Jian-Wei
dc.date.accessioned2023-05-15T08:41:59Z
dc.date.available2023-05-15T08:41:59Z
dc.date.issued2023-04-05
dc.description.abstractThe ongoing quest for understanding nonequilibrium dynamics of complex quantum systems underpins the foundation of statistical physics as well as the development of quantum technology. Quantum many-body scarring has recently opened a window into novel mechanisms for delaying the onset of thermalization by preparing the system in special initial states, such as the Z2 state in a Rydberg atom system. Here we realize many-body scarring in a Bose-Hubbard quantum simulator from previously unknown initial conditions such as the unit-filling state. We develop a quantum-interference protocol for measuring the entanglement entropy and demonstrate that scarring traps the many-body system in a low-entropy subspace. Our work makes the resource of scarring accessible to a broad class of ultracold-atom experiments, and it allows one to explore the relation of scarring to constrained dynamics in lattice gauge theories, Hilbert space fragmentation, and disorder-free localization.
dc.identifier.doi10.1103/physrevresearch.5.023010
dc.identifier.issn2643-1564
dc.identifier.scopus2-s2.0-85153523288
dc.identifier.urihttps://pub.ipb.ac.rs/handle/123456789/23
dc.language.isoen
dc.publisherAmerican Physical Society (APS)
dc.relation.ispartofPhysical Review Research
dc.relation.ispartofabbrPhys. Rev. Research
dc.rightsopenAccess
dc.titleObservation of many-body scarring in a Bose-Hubbard quantum simulator
dc.typejournal-article
dc.type.versionpublishedVersion
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