Generalized entropy and higher derivative Gravity

Joan Camps

doi:10.1007/jhep03(2014)070

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arXiv · 1310.6659

Generalized entropy and higher derivative Gravity

Joan Camps

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Abstract

We derive an extension of the Ryu-Takayanagi prescription for curvature squared theories of gravity in the bulk, and comment on a prescription for more general theories. This results in a new entangling functional, that contains a correction to Wald's entropy. The new term is quadratic in the extrinsic curvature. The coefficient of this correction is a second derivative of the lagrangian with respect to the Riemann tensor. For Gauss-Bonnet gravity, the new functional reduces to Jacobson-Myers'.

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Joan Camps. 2014-02-25. Generalized entropy and higher derivative Gravity. https://doi.org/10.1007/jhep03(2014)070

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