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Universality of the shear viscosity in supergravity

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arxiv hep-th/0311175 v1 pith:QYJ3YMP4 submitted 2003-11-19 hep-th

Universality of the shear viscosity in supergravity

classification hep-th
keywords boundshearsupergravityviscosityadmitalwaysarguecoupling
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Kovtun, Son and Starinets proposed a bound on the shear viscosity of any fluid in terms of its entropy density. We argue that this bound is always saturated for gauge theories at large 't Hooft coupling, which admit holographically dual supergravity description.

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