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Cosmic Holography

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arxiv hep-th/9902173 v2 pith:E5RYY3WM submitted 1999-02-24 hep-th gr-qc

Cosmic Holography

Dongsu Bak , Soo-Jong Rey This is my paper
classification hep-th gr-qc
keywords universeapparentcosmiccosmologyentropyholographyhorizonprinciple
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A new version of holographic principle for cosmology is proposed, which dictates that particle entropy within `cosmological apparent horizon' should not exceed gravitational entropy associated with the apparent horizon. It is shown that, in the Friedman-Robertson-Walker (FRW) cosmology, the open Universe as well as a restricted class of flat cases are compatible with the principle, whereas closed Universe is not. It is also found that inflationary Universe after the big-bang is incompatible with the cosmic holography.

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Cited by 7 Pith papers

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

  1. Cosmological consequences of scale-dependent Barrow-Tsallis entropy

    gr-qc 2026-07 conditional novelty 6.0

    A scale-dependent Barrow-Tsallis entropy cosmology fits cosmic data but is statistically disfavored versus ΛCDM, with only a modest and partially circular Hubble-tension 'alleviation'.

  2. Background instability of quintessence model in light of entropy and distance conjecture

    hep-th 2026-01 conditional novelty 6.0

    An entropy comparison shows quintessence backgrounds with a finite event horizon are unstable, equating the trans-Planckian censorship bound with a species-entropy growth condition.

  3. Modified Cosmology from Mass-to-Horizon Relation: Background Evolution

    gr-qc 2026-06 conditional novelty 5.0

    Generalized horizon-entropy models are cosmologically viable only within a narrow window around the Bekenstein–Hawking area law; all surviving models mimic ΛCDM.

  4. Modified Entropy from Action Principle

    gr-qc 2026-05 unverdicted novelty 5.0

    Authors add f(R, K) to the Einstein-Hilbert action, obtain higher-derivative-free modified Friedmann equations for flat FRW, and derive a general apparent-horizon entropy expression usable for multiple entropy models.

  5. Model-independent reconstruction of cosmic thermodynamics and dark energy dynamics

    astro-ph.CO 2026-04 unverdicted novelty 5.0

    Model-independent Gaussian Process reconstruction from CC+DESI+supernova data shows positive entropy production and approach to thermodynamic equilibrium, with dark energy equation of state consistent with a cosmologi...

  6. Modified Cosmology from Mass-to-Horizon Relation: Background Evolution

    gr-qc 2026-06 unverdicted novelty 4.0

    Viable generalized horizon entropies from the mass-to-horizon relation are restricted to a narrow neighborhood around the Bekenstein-Hawking law, yielding only Lambda-CDM-like background evolution.

  7. Ghost Dark Energy in the Modified Kaniadakis Cosmology

    gr-qc 2026-07 conditional novelty 3.5

    Interacting ghost dark energy in Kaniadakis-corrected cosmology mildly shifts acceleration onset and approaches ΛCDM, remaining generally unstable though less so for larger λ.