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Entanglement entropy in higher derivative holography

Bhattacharyya, Arpan and Kaviraj, Apratim and Sinha, Aninda (2013) Entanglement entropy in higher derivative holography. In: JOURNAL OF HIGH ENERGY PHYSICS (8).

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Official URL: http://dx.doi.org/10.1007/JHEP08(2013)012

Abstract

We consider holographic entanglement entropy in higher derivative gravity theories. Recently Lewkowycz and Maldacena 1] have provided a method to derive the equations for the entangling surface from first principles. We use this method to compute the entangling surface in four derivative gravity. Certain interesting differences compared to the two derivative case are pointed out. For Gauss-Bonnet gravity, we show that in the regime where this method is applicable, the resulting equations coincide with proposals in the literature as well as with what follows from considerations of the stress tensor on the entangling surface. Finally we demonstrate that the area functional in Gauss-Bonnet holography arises as a counterterm needed to make the Euclidean action free of power law divergences.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Springer Link
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: 28 Oct 2013 04:49
Last Modified: 28 Oct 2013 04:49
URI: http://eprints.iisc.ac.in/id/eprint/47583

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