Two-Brane Randall-Sundrum Model in AdS_5 and dS_5

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dc.creatorBrevik, I.
dc.creatorBørkje, K.
dc.creatorMorten, J. P.
dc.date2003-10-22
dc.date2004-02-16
dc.date.accessioned2026-07-07T12:29:08Z
dc.date.available2026-07-07T12:29:08Z
dc.descriptionTwo flat Randall - Sundrum three-branes are analyzed, at fixed mutual distance, in the case where each brane contains an ideal isotropic fluid. Both fluids are to begin with assumed to obey the equation of state p=(γ-1)ρ, where γis a constant. Thereafter, we impose the condition that there is zero energy flux from the branes into the bulk, and assume that the tension on either brane is zero. It then follows that constant values of the fluid energies at the branes are obtained only if the value of γis equal to zero (i.e., a `vacuum' fluid). The fluids on the branes are related: if one brane is a dS_4 brane (the effective four-dimensional constant being positive), then the other brane is dS_4 also, and if the fluid energy density on one brane is positive, the energy density on the other brane is larger in magnitude but negative. This is a non-acceptable result, which sheds some light on how far it is possible to give a physical interpretation of the two-brane scenario. Also, we discuss the graviton localization problem in the two-brane setting, generalizing prior works.
dc.description12 pages, no figures; revised discussion in section III on negative energy densities
dc.identifierhttps://arxiv.org/abs/gr-qc/0310103
dc.identifierhttp://arxiv.org/abs/gr-qc/0310103
dc.identifierGen.Rel.Grav.36:2021-2038,2004
dc.identifierdoi:10.1023/B:GERG.0000038468.40244.29
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215775
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleTwo-Brane Randall-Sundrum Model in AdS_5 and dS_5
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