Bosonic molecules in a lattice: Unusual fluid phase from multichannel interactions

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dc.citation.articleNumber013611
dc.citation.issueNumber1
dc.citation.journalTitlePhysical Review A
dc.citation.volumeNumber98
dc.contributor.authorEwart, Kevin D.
dc.contributor.authorWall, Michael L.
dc.contributor.authorHazzard, Kaden R.A.
dc.date.accessioned2018-11-01T14:28:10Z
dc.date.available2018-11-01T14:28:10Z
dc.date.issued2018
dc.description.abstractWe show that multichannel interactions significantly alter the phase diagram of ultracold bosonic molecules in an optical lattice. Most prominently, an unusual fluid region intervenes between the conventional superfluid and the Mott insulator. In it, number fluctuations remain but phase coherence is suppressed by a significant factor. This factor can be made arbitrarily large, at least in a two-site configuration. We calculate the phase diagram using complementary methods, including Gutzwiller mean-field and density-matrix renormalization group calculations. Although we focus on bosonic molecules without dipolar interactions, we expect multichannel interactions to remain important for dipolar interacting and fermionic molecules.
dc.identifier.citationEwart, Kevin D., Wall, Michael L. and Hazzard, Kaden R.A.. "Bosonic molecules in a lattice: Unusual fluid phase from multichannel interactions." <i>Physical Review A,</i> 98, no. 1 (2018) American Physical Society: https://doi.org/10.1103/PhysRevA.98.013611.
dc.identifier.digitalPhysRevA.98.013611
dc.identifier.doihttps://doi.org/10.1103/PhysRevA.98.013611
dc.identifier.urihttps://hdl.handle.net/1911/103264
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
dc.titleBosonic molecules in a lattice: Unusual fluid phase from multichannel interactions
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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