Disordered Supersolids in the Extended Bose-Hubbard Model

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dc.contributorVirginia Techen
dc.contributor.authorLin, Feien
dc.contributor.authorMaier, T. A.en
dc.contributor.authorScarola, Vito W.en
dc.contributor.departmentPhysicsen
dc.date.accessioned2017-12-06T19:12:57Zen
dc.date.available2017-12-06T19:12:57Zen
dc.date.issued2017-10-06en
dc.description.abstractThe extended Bose-Hubbard model captures the essential properties of a wide variety of physical systems including ultracold atoms and molecules in optical lattices, Josephson junction arrays, and certain narrow band superconductors. It exhibits a rich phase diagram including a supersolid phase where a lattice solid coexists with a superfluid. We use quantum Monte Carlo to study the supersolid part of the phase diagram of the extended Bose-Hubbard model on the simple cubic lattice. We add disorder to the extended Bose-Hubbard model and find that the maximum critical temperature for the supersolid phase tends to be suppressed by disorder. But we also find a narrow parameter window in which the supersolid critical temperature is enhanced by disorder. Our results show that supersolids survive a moderate amount of spatial disorder and thermal fluctuations in the simple cubic lattice.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1038/s41598-017-13040-9en
dc.identifier.urihttp://hdl.handle.net/10919/81061en
dc.identifier.volume7en
dc.language.isoen_USen
dc.publisherNatureen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleDisordered Supersolids in the Extended Bose-Hubbard Modelen
dc.title.serialScientific Reportsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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