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Fragmented-condensate solid of dipolar excitons

hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
hal.structure.identifierNational Research University of Information Technologies, Mechanics and Optics [St. Petersburg] [ITMO]
hal.structure.identifierLaboratoire de Physique Théorique et Modèles Statistiques [LPTMS]
dc.contributor.authorANDREEV, S. V.
dc.date.created2017-01-19
dc.date.issued2017-05-26
dc.identifier.issn1098-0121
dc.description.abstractEnWe discuss a possible link between the recently observed macroscopic ordering of ultracold dipolar excitons (MOES) and the phenomenon of supersolidity. In the dilute limit we predict a stable supersolid state for a quasi-one-dimensional system of bosonic dipoles characterized by two-and three-body contact repulsion. We phenomenologically extend our theory to the strongly-correlated regime and find a critical value of the contact interaction parameter at which the supersolid exhibits a quantum phase transition to a fragmented state. The wavelength of the fragmented-condensate solid is defined by the balance between the quantum pressure and the entropy due to fluctuations of the relative phases between the fragments. Our model appears to be in good agreement with the relevant experimental data, including the very recent results on commensurability effect and wavelength of the MOES.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.rights.urihttp://creativecommons.org/licenses/by-sa/
dc.title.enFragmented-condensate solid of dipolar excitons
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.95.184519
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Gaz Quantiques [cond-mat.quant-gas]
dc.identifier.arxiv1701.05621
bordeaux.journalPhysical Review B: Condensed Matter and Materials Physics (1998-2015)
bordeaux.page184519
bordeaux.volume95
bordeaux.issue18
bordeaux.peerReviewedoui
hal.identifierhal-01540802
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01540802v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20B:%20Condensed%20Matter%20and%20Materials%20Physics%20(1998-2015)&rft.date=2017-05-26&rft.volume=95&rft.issue=18&rft.spage=184519&rft.epage=184519&rft.eissn=1098-0121&rft.issn=1098-0121&rft.au=ANDREEV,%20S.%20V.&rft.genre=article


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