On the Cardy-Verlinde Entropy Formula in Viscous Cosmology

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dc.creatorBrevik, I.
dc.creatorOdintsov, S. D.
dc.date2001-10-24
dc.date2001-12-29
dc.date.accessioned2026-07-07T12:29:07Z
dc.date.available2026-07-07T12:29:07Z
dc.descriptionThe results of the paper of Verlinde [hep-th/0008140], discussing the holographic principle in a radiation dominated universe, are extended when allowing the cosmic fluid to possess a bulk viscosity. This corresponds to a non-conformally invariant theory. The generalization of the Cardy-Verlinde entropy formula to the case of a viscous universe seems from a formal point of view to be possible, although we question on physical grounds some elements in this kind of theory, especially the manner in which the Casimir energy is evaluated. Our discussion suggests that for non-conformally invariant theories the holographic definition of Casimir energy should be modified.
dc.description11 pages, LaTeX, no figures. Discussion added in Sec. 2. To appear in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/gr-qc/0110105
dc.identifierhttp://arxiv.org/abs/gr-qc/0110105
dc.identifierPhys.Rev.D65:067302,2002
dc.identifierdoi:10.1103/PhysRevD.65.067302
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215769
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleOn the Cardy-Verlinde Entropy Formula in Viscous Cosmology
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