On graviton production in braneworld cosmology

dc.creatorCartier, Cyril
dc.creatorDurrer, Ruth
dc.creatorRuser, Marcus
dc.date2005-10-18
dc.date2005-11-22
dc.date.accessioned2026-07-07T11:06:14Z
dc.date.available2026-07-07T11:06:14Z
dc.descriptionWe study braneworlds in a five dimensional bulk, where cosmological expansion is mimicked by motion through AdS$_5$. We show that the five dimensional graviton reduces to the four dimensional one in the late time approximation of such braneworlds. Inserting a fixed regulator brane far from the physical brane, we investigate quantum graviton production due to the motion of the brane. We show that the massive Kaluza-Klein modes decouple completely from the massless mode and they are not generated at all in the limit where the regulator brane position goes to infinity. In the low energy limit, the massless four dimensional graviton obeys the usual 4d equation and is therefore also not generated in a radiation-dominated universe.
dc.description9 pages, minor changes, references corrected
dc.identifierhttps://arxiv.org/abs/hep-th/0510155
dc.identifierhttp://arxiv.org/abs/hep-th/0510155
dc.identifierPhys.Rev.D72:104018,2005
dc.identifierdoi:10.1103/PhysRevD.72.104018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189450
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleOn graviton production in braneworld cosmology
dc.typetext

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