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Holographic stress tensor at finite coupling

Sen, Kallol and Sinha, Aninda (2014) Holographic stress tensor at finite coupling. In: JOURNAL OF HIGH ENERGY PHYSICS (7).

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Official URL: http://dx.doi.org/ 10.1007/JHEP07(2014)098

Abstract

We calculate one, two and three point functions of the holographic stress tensor for any bulk Lagrangian of the form L (g(ab), R-abcd, del(e) R-abcd). Using the first law of entanglement, a simple method has recently been proposed to compute the holographic stress tensor arising from a higher derivative gravity dual. The stress tensor is proportional to a dimension dependent factor which depends on the higher derivative couplings. In this paper, we identify this proportionality constant with a B-type trace anomaly in even dimensions for any bulk Lagrangian of the above form. This in turn relates to C-T, the coefficient appearing in the two point function of stress tensors. We use a background field method to compute the two and three point function of stress tensors for any bulk Lagrangian of the above form in arbitrary dimensions. As an application we consider general situations where eta/s for holographic plasmas is less than the KSS bound.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Keywords: Gauge-gravity correspondence; AdS-CFT Correspondence
Department/Centre: Division of Physical & Mathematical Sciences > Centre for High Energy Physics
Depositing User: Id for Latest eprints
Date Deposited: 03 Sep 2014 08:54
Last Modified: 03 Sep 2014 08:54
URI: http://eprints.iisc.ac.in/id/eprint/49724

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