Holographic GB gravity in arbitrary dimensions

被引：0
作者：
Alex Buchel
Jorge Escobedo
Robert C. Myers
Miguel F. Paulos
Aninda Sinha
Michael Smolkin
机构：
[1] Perimeter Institute for Theoretical Physics,Department of Applied Mathematics
[2] University of Western Ontario,Department of Physics and Astronomy and Guelph
[3] University of Waterloo,Waterloo Physics Institute
[4] Department of Applied Mathematics and Theoretical Physics,Racah Institute of Physics
[5] Hebrew University,undefined
来源：
Journal of High Energy Physics | / 2010卷
关键词：
Gauge-gravity correspondence; AdS-CFT Correspondence;
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摘要：
We study the properties of the holographic CFT dual to Gauss-Bonnet gravity in general D(≥ 5) dimensions. We establish the AdS/CFT dictionary and in particular relate the couplings of the gravitational theory to the universal couplings arising in correlators of the stress tensor of the dual CFT. This allows us to examine constraints on the gravitational couplings by demanding consistency of the CFT. In particular, one can demand positive energy fluxes in scattering processes or the causal propagation of fluctuations. We also examine the holographic hydrodynamics, commenting on the shear viscosity as well as the relaxation time. The latter allows us to consider causality constraints arising from the second-order truncated theory of hydrodynamics.
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