Viscosity in Strongly Interacting Quantum Field Theories from Black Hole Physics

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dc.creatorKovtun, P.
dc.creatorSon, D. T.
dc.creatorStarinets, A. O.
dc.date2004-05-26
dc.date2005-03-17
dc.date.accessioned2026-07-07T04:16:58Z
dc.date.available2026-07-07T04:16:58Z
dc.descriptionThe ratio of shear viscosity to volume density of entropy can be used to characterize how close a given fluid is to being perfect. Using string theory methods, we show that this ratio is equal to a universal value of $\hbar/4πk_B$ for a large class of strongly interacting quantum field theories whose dual description involves black holes in anti--de Sitter space. We provide evidence that this value may serve as a lower bound for a wide class of systems, thus suggesting that black hole horizons are dual to the most ideal fluids.
dc.description9 pages, title changed, appendix moved into the main text
dc.identifierhttps://arxiv.org/abs/hep-th/0405231
dc.identifierhttp://arxiv.org/abs/hep-th/0405231
dc.identifierPhys.Rev.Lett. 94 (2005) 111601
dc.identifierdoi:10.1103/PhysRevLett.94.111601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/52580
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleViscosity in Strongly Interacting Quantum Field Theories from Black Hole Physics
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