Bit threads in higher-curvature gravity
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Publication:1632980
DOI10.1007/JHEP11(2018)168zbMATH Open1404.83085arXiv1807.04294OpenAlexW2950401163WikidataQ125024543 ScholiaQ125024543MaRDI QIDQ1632980
Author name not available (Why is that?)
Publication date: 18 December 2018
Published in: (Search for Journal in Brave)
Abstract: We generalize holographic bit threads to bulk theories with a gravitational action containing higher-curvature terms. Bit threads are a reformulation of holographic entanglement entropy, where the entropy is given by the maximum number of threads emanating from a boundary region into the bulk. We show that the addition of higher-curvature terms adds corrections to the bit thread thickness that depend on the local geometry and thread orientation. Two different methods are given: determination of the density bound by requiring the maximum number of threads through a given surface to reproduce the entanglement entropy functional on that surface, and application of Lagrange dualization. The results of the two methods are applied to Gauss-Bonnet gravity as the simplest non-trivial example.
Full work available at URL: https://arxiv.org/abs/1807.04294
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