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dc.creatorCapuzzi, Pablo-
dc.creatorVignolo, P.-
dc.creatorFederici, F.-
dc.creatorTosi, M.P.-
dc.date2019-03-18T15:23:40Z-
dc.date2019-03-18T15:23:40Z-
dc.date2006-12-
dc.date2019-03-15T18:50:26Z-
dc.date.accessioned2019-04-29T15:48:34Z-
dc.date.available2019-04-29T15:48:34Z-
dc.date.issued2006-12-
dc.identifierCapuzzi, Pablo; Vignolo, P.; Federici, F.; Tosi, M.P.; Sound propagation in elongated superfluid fermionic clouds; American Physical Society; Physical Review A: Atomic, Molecular and Optical Physics; 73; 2; 12-2006; 21603-216034-
dc.identifier1050-2947-
dc.identifierhttp://hdl.handle.net/11336/71842-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/302617-
dc.descriptionWe use hydrodynamic equations to study sound propagation in a superfluid Fermi gas at zero temperature inside a strongly elongated cigar-shaped trap, with main attention to the transition from the BCS to the unitary regime. First, we treat the role of the radial density profile in the limit of a cylindrical geometry and then evaluate numerically the effect of the axial confinement in a configuration in which a hole is present in the gas density at the center of the trap. We find that in a strongly elongated trap the speed of sound in both the BCS and the unitary regime differs by a factor 3/5 from that in a homogeneous three-dimensional superfluid. The predictions of the theory could be tested by measurements of sound-wave propagation in a setup such as that exploited by Andrews [Phys. Rev. Lett. 79, 553 (1997)] for an atomic Bose-Einstein condensate. © 2006 The American Physical Society.-
dc.descriptionFil: Capuzzi, Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina-
dc.descriptionFil: Vignolo, P.. Consiglio Nazionale delle Ricerche; Italia-
dc.descriptionFil: Federici, F.. Consiglio Nazionale delle Ricerche; Italia-
dc.descriptionFil: Tosi, M.P.. Consiglio Nazionale delle Ricerche; Italia-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherAmerican Physical Society-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1103/PhysRevA.73.021603-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.source.urihttp://hdl.handle.net/11336/1316-
dc.subjectAstronomía-
dc.subjectCiencias Físicas-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleSound propagation in elongated superfluid fermionic clouds-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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