ar X iv : h ep - t h / 04 05 23 1 v 1 2 6 M ay 2 00 4 A Viscosity Bound Conjecture
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چکیده
Exploring an extension of the correspondence between black hole physics and thermodynamics to non-equilibrium processes, we show that the ratio of shear viscosity to volume density of entropy in theories with gravity duals is equal to a universal value of ~/(4π). We conjecture that this value serves as a lower limit on the ratio of shear viscosity to entropy density for all systems realizable in nature. INT-PUB 04-09 UW/PT 04-04 email: [email protected] email: [email protected] email: [email protected]
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تاریخ انتشار 2004