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Probable Values of the Cosmological Constant in a Holographic Theory

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arxiv hep-th/0001145 v1 pith:K2DH5PTE submitted 2000-01-22 hep-th astro-phgr-qc

classification hep-thastro-phgr-qc
keywords constantcosmologicallambdaprobablebaum-hawkingclassdimensionsdistribution
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abstract

We point out that for a large class of universes, holography implies that the most probable value of the cosmological constant is zero. In four spacetime dimensions, the probability distribution takes the Baum-Hawking form, $dP\sim\exp(cM_p^2/\Lambda)d\Lambda$.

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Cited by 2 Pith papers

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

  1. A comprehensive numerical study on four categories of holographic dark energy models

    astro-ph.CO 2024-12 conditional novelty 6.0 of 10

    Seven holographic dark energy models are constrained with DESI BAO, Planck CMB, and PantheonPlus supernovae; LambdaCDM stays preferred, Ricci dark energy is ruled out, and event-horizon models show large data-set-depe...

  2. Topological dark energy from black-hole formations and mergers through the gravity-thermodynamics approach

    gr-qc 2024-12 reject novelty 5.0 of 10

    Black hole formation and merger, through topology changes of the cosmic apparent horizon, generate an effective dark energy whose equation of state is phantom-like or quintessence-like depending on the sign of the Gau...

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