Shear viscosity and damping for a Fermi gas in the unitarity limit

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dc.creatorBruun, G. M.
dc.creatorSmith, H.
dc.date2006-12-18
dc.date2007-03-26
dc.date.accessioned2026-07-07T10:21:58Z
dc.date.available2026-07-07T10:21:58Z
dc.descriptionThe shear viscosity of a two-component Fermi gas in the normal phase is calculated as a function of temperature in the unitarity limit, taking into account strong-coupling effects that give rise to a pseudogap in the spectral density for single-particle excitations. The results indicate that recent measurements of the damping of collective modes in trapped atomic clouds can be understood in terms of hydrodynamics, with a decay rate given by the viscosity integrated over an effective volume of the cloud.
dc.description7 pages, 3 figures. Discussion significantly extended. Appendix added. To appear in PRA
dc.identifierhttps://arxiv.org/abs/cond-mat/0612460
dc.identifierhttp://arxiv.org/abs/cond-mat/0612460
dc.identifierPhys.Rev.A75:043612,2007
dc.identifierdoi:10.1103/PhysRevA.75.043612
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/175354
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleShear viscosity and damping for a Fermi gas in the unitarity limit
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