Thermodynamics and bulk viscosity of approximate black hole duals to finite temperature quantum chromodynamics

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dc.creatorGubser, Steven S.
dc.creatorNellore, Abhinav
dc.creatorPufu, Silviu S.
dc.creatorRocha, Fabio D.
dc.date2008-04-11
dc.date.accessioned2026-07-07T11:49:47Z
dc.date.available2026-07-07T11:49:47Z
dc.descriptionWe consider classes of translationally invariant black hole solutions whose equations of state closely resemble that of QCD at zero chemical potential. We use these backgrounds to compute the ratio zeta/s of bulk viscosity to entropy density. For a class of black holes that exhibits a first order transition, we observe a sharp rise in zeta/s near T_c. For constructions that exhibit a smooth cross-over, like QCD does, the rise in zeta/s is more modest. We conjecture that divergences in zeta/s for black hole horizons are related to extrema of the entropy density as a function of temperature.
dc.description5 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/0804.1950
dc.identifierhttp://arxiv.org/abs/0804.1950
dc.identifierPhys.Rev.Lett.101:131601,2008
dc.identifierdoi:10.1103/PhysRevLett.101.131601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/203360
dc.subjectHigh Energy Physics - Theory
dc.titleThermodynamics and bulk viscosity of approximate black hole duals to finite temperature quantum chromodynamics
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