In the framework of the AdS/CFT correspondence, we define and compute the spherical analogue of the shear viscosity for QFTs dual to five-dimensional charged AdS black holes in general relativity (GR) and Gauss-Bonnet (GB) gravity. We show that the ratio between this quantity and the entropy density, /s exhibits a temperature-dependent hysteresis.
Shear viscosity in QFTs dual to AdS spherical black holes
Tuveri, Matteo;Cadoni, Mariano;Franzin, Edgardo
2017-01-01
Abstract
In the framework of the AdS/CFT correspondence, we define and compute the spherical analogue of the shear viscosity for QFTs dual to five-dimensional charged AdS black holes in general relativity (GR) and Gauss-Bonnet (GB) gravity. We show that the ratio between this quantity and the entropy density, /s exhibits a temperature-dependent hysteresis.
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