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Bekenstein bounds in de Sitter and flat space

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arxiv hep-th/0012052 v1 pith:PRAI22JW submitted 2000-12-07 hep-th gr-qc

Raphael Bousso This is my paper · ORCID
classification hep-thgr-qc
keywords bekensteinboundboundsdimensionsentropyflatsitterspace
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The D-bound on the entropy of matter systems in de Sitter space is shown to be closely related to the Bekenstein bound, which applies in a flat background. This holds in arbitrary dimensions if the Bekenstein bound is calibrated by a classical Geroch process. We discuss the relation of these bounds to the more general bound on the entropy to area ratio. We find that black holes do not saturate the Bekenstein bound in dimensions greater than four.

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Cited by 5 Pith papers

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

  1. Chaos and the Emergence of the Cosmological Horizon

    hep-th 2024-11 conditional novelty 7.0 of 10

    Finite-mass observers in dS2 have non-commuting type I algebras, and their OTOC shows a Lyapunov exponent 4π/β_dS, twice the de Sitter bound.

  2. An Algebra of Observables for de Sitter Space

    hep-th 2022-06 accept novelty 7.0 of 10

    Defines a Type II₁ algebra of gravitationally dressed observables in de Sitter static patch whose entropy matches generalized entropy up to a state-independent additive constant.

  3. Black hole evaporation and semiclassicality at large D

    hep-th 2019-08 conditional novelty 7.0 of 10

    At large spacetime dimension D, semiclassical black holes require entropy S_BH > (D/4π)^(D+3) log D, a bound stronger than the usual curvature and backreaction conditions.

  4. Holography in flipped AdS/$\mathbb{Z}$: Another approach to dS holography

    hep-th 2026-08 conditional novelty 5.0 of 10

    Quantum field theories in de Sitter space and in a signature-flipped compact-time spacetime (fAdS) are related by analytic continuation, and the proposed fAdS/fCFT holographic dictionary reproduces de Sitter horizon e...

  5. Emergent Gravity in a Holographic Universe

    hep-th 2019-08 conditional novelty 3.0 of 10

    Causal diamonds in symmetric spacetimes obey a thermodynamic first law with negative temperature, and the Einstein equations can be recast as an entropy equilibrium condition, with a long-string CFT picture for non-Ad...

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