Randall-Sundrum Model in the Presence of a Brane Bulk Viscosity

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dc.creatorBrevik, I.
dc.creatorHallanger, A.
dc.date2003-08-19
dc.date2003-10-29
dc.date.accessioned2026-07-07T12:29:08Z
dc.date.available2026-07-07T12:29:08Z
dc.descriptionThe presence of a bulk viscosity for the cosmic fluid on a single Randall-Sundrum brane is considered. The spatial curvature is assumed to be zero. The five-dimensional Friedmann equation is derived, together with the energy conservation equation for the viscous fluid. These governing equations are solved for some special cases: (i) in the low-energy limit when the matter energy density is small compared with brane tension; (ii) for a matter-dominated universe, and (iii) for a radiation-dominated universe. Rough numerical estimates, for the extreme case when the universe is at its Planck time, indicate that the viscous effect can be significant.
dc.description18 pages, RevTeX4, no figures. Discussion in Sec. III expanded; new references. To appear in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/gr-qc/0308058
dc.identifierhttp://arxiv.org/abs/gr-qc/0308058
dc.identifierPhys.Rev.D69:024009,2004
dc.identifierdoi:10.1103/PhysRevD.69.024009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215774
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleRandall-Sundrum Model in the Presence of a Brane Bulk Viscosity
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