Hydrodynamics of a 5D Einstein-dilaton black hole solution and the corresponding BPS state

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作者
Song He
Ya-Peng Hu
Jian-Hui Zhang
机构
[1] Chinese Academy of Sciences,Key Laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics
[2] Peking University,Center for High
关键词
Supersymmetry and Duality; AdS-CFT Correspondence; Black Holes in String Theory;
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摘要
We apply the potential reconstruction approach to generate a series of asymp-totically AdS (aAdS) black hole solutions, with a self-interacting bulk scalar field. Based on the method, we reproduce the pure AdS solution as a consistency check and we also generate a simple analytic 5D black hole solution. We then study various aspects of this solution, such as temperature, entropy density and conserved charges. Furthermore, we study the hydrodynamics of this black hole solution in the framework of fluid/gravity duality, e.g. the ratio of the shear viscosity to the entropy density. In a degenerate case of the 5D black hole solution, we find that the c function decreases monotonically from UV to IR as expected. Finally, we investigate the stability of the degenerate solution by studying the bosonic functional energy of the gravity and the Witten-Nester energy EWN. We confirm that the degenerate solution is a BPS domain wall solution. The corresponding superpotential and the solution of the killing spinor equation are found explicitly.
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