Generalized entropy and higher derivative gravity
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Publication:270496
DOI10.1007/JHEP03(2014)070zbMATH Open1333.83136arXiv1310.6659MaRDI QIDQ270496
Author name not available (Why is that?)
Publication date: 7 April 2016
Published in: (Search for Journal in Brave)
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'.
Full work available at URL: https://arxiv.org/abs/1310.6659
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