The shear viscosity of gauge theory plasma with chemical potentials
Paolo Benincasa, Alex Buchel, Roman Naryshkin
Abstract
We consider strongly coupled gauge theory plasma with conserved global charges that allow for a dual gravitational description. We study the shear viscosity of the gauge theory plasma in the presence of chemical potentials for these charges. Using gauge theory/string theory correspondence we prove that at large 't Hooft coupling the ratio of the shear viscosity to the entropy density is universal.
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