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Generalized entropy and higher derivative Gravity

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arxiv 1310.6659 v4 pith:FSQXQYDH submitted 2013-10-24 hep-th gr-qc

Joan Camps This is my paper
classification hep-thgr-qc
keywords gravitycorrectioncurvaturederivativeentropyfunctionalprescriptiontheories
verification ladder T0 review T1 audit T2 compute T3 formal
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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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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Covariant unification of holographic c-functions

    hep-th 2026-05 unverdicted novelty 7.0 of 10

    A new covariant c-function is defined from extrinsic curvature of codimension-two bulk slices, unifying prior foliation-based definitions and exhibiting expected monotonic behavior in conformal, confining, and mixed-g...

  2. Universality of pseudoentropy for deformed spheres in dS/CFT

    hep-th 2025-12 conditional novelty 6.0 of 10

    The quadratic shape-deformation correction to pseudoentropy in dS/CFT is controlled by the analytically continued stress-tensor coefficient C_T, making the sphere a local extremum across Einstein and quadratic-curvatu...

  3. Renormalized pseudoentropy in dS/CFT

    hep-th 2026-02 conditional novelty 5.0 of 10

    Renormalized holographic pseudoentropy in dS/CFT is constructed from conformal-gravity actions in four and six dimensions, yielding finite sphere values and Mezei-like shape dependence for small deformations.

  4. Thermodynamics of FLRW universe in Quadratic Gravity

    gr-qc 2025-07 reject novelty 5.0 of 10

    Quadratic-gravity terms are claimed to shift the thermodynamic phase structure of the FLRW apparent horizon, but the printed critical-radius formula does not follow from the paper's own equation of state.

  5. Wald-like entropy and Islands in Dimensionally Reduced Einstein-Hilbert Gravity

    hep-th 2026-07 conditional novelty 4.0 of 10

    Wald-like Noether charge of the DREH plus Polyakov-Liouville action yields the island generalized entropy and unitary Page curves for eternal and quasi-stationary evaporating black holes.

  6. Multinomial probit model based on joint quantile regression

    stat.ME 2025-08 unverdicted novelty 4.0 of 10

    The abstract proposes a Bayesian joint quantile regression version of the multinomial probit model for choice data, estimable by Gibbs sampling, but the attached full text is a different paper on higher-derivative gravity.

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