The Shear Viscosity to Entropy Density Ratio of Trapped Fermions in the Unitarity Limit

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dc.creatorSchaefer, Thomas
dc.date2007-01-11
dc.date2008-01-25
dc.date.accessioned2026-07-07T11:42:54Z
dc.date.available2026-07-07T11:42:54Z
dc.descriptionWe extract the shear viscosity to entropy density ratio η/s of cold fermionic atoms in the unitarity limit from experimental data on the damping of collective excitations. We find that near the critical temperature η/s is roughly equal to 1/2 in units of \hbar/k_B. With the possible exception of the quark gluon plasma, this value is closer to the conjectured lower bound 1/(4π) than any other known liquid.
dc.descriptionpublished version
dc.identifierhttps://arxiv.org/abs/cond-mat/0701251
dc.identifierhttp://arxiv.org/abs/cond-mat/0701251
dc.identifierPhys.Rev.A76:063618,2007
dc.identifierdoi:10.1103/PhysRevA.76.063618
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201049
dc.subjectOther Condensed Matter
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleThe Shear Viscosity to Entropy Density Ratio of Trapped Fermions in the Unitarity Limit
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