Synthetic U(1) gauge invariance in a spin-1 Bose gas

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dc.citation.articleNumberL042018en_US
dc.citation.issueNumber4en_US
dc.citation.journalTitlePhysical Review Researchen_US
dc.citation.volumeNumber4en_US
dc.contributor.authorGao, Chunpingen_US
dc.contributor.authorLiu, Jinghuen_US
dc.contributor.authorChang, Maolinen_US
dc.contributor.authorPu, Hanen_US
dc.contributor.authorChen, Lien_US
dc.date.accessioned2022-12-13T19:11:15Zen_US
dc.date.available2022-12-13T19:11:15Zen_US
dc.date.issued2022en_US
dc.description.abstractRecent experimental realizations of the U(1) gauge invariance [Nature (London) 587, 392 (2020); Science 367, 1128 (2020)] open a door for quantum simulation of elementary particles and their interactions using ultracold atoms. Stimulated by such exciting progress, we propose a platform—a spin-1 Bose-Einstein condensate—to simulate the deconfined lattice Schwinger model. Unlike previous platforms, it is shown that the atomic interactions in the spin-1 condensate naturally lead to a matter-field interaction term which respects the U(1) gauge symmetry. As a result, a new Z3-ordered phase with threefold ground-state degeneracy emerges in the phase diagram. The Z3 phase connects to the disordered phase by a three-state Potts criticality, which is in contrast to the conventional Coleman's transition with Ising criticality. Furthermore, the ordered state is constructed by a set of weak quantum scars, which is responsible for the anomalously slow dynamics as it is quenched to a special point in the phase diagram. Our proposal provides a platform for extracting emergent physics in synthetic gauge systems with matter-field interactions.en_US
dc.identifier.citationGao, Chunping, Liu, Jinghu, Chang, Maolin, et al.. "Synthetic U(1) gauge invariance in a spin-1 Bose gas." <i>Physical Review Research,</i> 4, no. 4 (2022) American Physical Society: https://doi.org/10.1103/PhysRevResearch.4.L042018.en_US
dc.identifier.digitalPhysRevResearch-4-L042018en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevResearch.4.L042018en_US
dc.identifier.urihttps://hdl.handle.net/1911/114090en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleSynthetic U(1) gauge invariance in a spin-1 Bose gasen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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