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Superfluid filaments of dipolar bosons in free space

dc.contributor.authorCinti, Fabioen_ZA
dc.contributor.authorCappellaro, Albertoen_ZA
dc.contributor.authorSalasnich, Lucaen_ZA
dc.contributor.authorMacri, Tommasoen_ZA
dc.date.accessioned2018-11-09T06:48:56Z
dc.date.available2018-11-09T06:48:56Z
dc.date.issued2017
dc.identifier.citationCinti, F., et al. 2017. Superfluid filaments of dipolar bosons in free space. Physical Review Letters, 119(21):1-6, doi:10.1103/PhysRevLett.119.215302
dc.identifier.issn1079-7114 (online)
dc.identifier.issn0031-9007 (print)
dc.identifier.otherdoi:10.1103/PhysRevLett.119.215302
dc.identifier.urihttp://hdl.handle.net/10019.1/104660
dc.descriptionCITATION: Cinti, F., et al. 2017. Superfluid filaments of dipolar bosons in free space. Physical Review Letters, 119(21):1-6, doi:10.1103/PhysRevLett.119.215302.
dc.descriptionThe original publication is available at https://journals.aps.org/prl
dc.description.abstractWe systematically investigate the zero temperature phase diagram of bosons interacting via dipolar interactions in three dimensions in free space via path integral Monte Carlo simulations with a few hundreds of particles and periodic boundary conditions based on the worm algorithm. Upon increasing the strength of the dipolar interaction and at sufficiently high densities we find a wide region where filaments are stabilized along the direction of the external field. Most interestingly by computing the superfluid fraction we conclude that the superfluidity is anisotropic and is greatly suppressed along the orthogonal plane. Finally, we perform simulations at finite temperature confirming the stability of the filaments against thermal fluctuations and provide an estimate of the superfluid fraction in the weak coupling limit in the framework of the Landau two-fluid model.en_ZA
dc.description.urihttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.215302
dc.format.extent6 pages ; illustrations
dc.language.isoen_ZAen_ZA
dc.publisherAmerican Physical Society
dc.subjectDipolar gasesen_ZA
dc.subjectSuperfluidityen_ZA
dc.titleSuperfluid filaments of dipolar bosons in free spaceen_ZA
dc.typeArticleen_ZA
dc.description.versionPublisher's version
dc.rights.holderAmerican Physical Society


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