Low energy effective gravitational equations on a Gauss-Bonnet brane

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dc.creatorKobayashi, Tsutomu
dc.creatorShiromizu, Tetsuya
dc.creatorDeruelle, Nathalie
dc.date2006-08-24
dc.date2006-10-31
dc.date.accessioned2026-07-07T10:26:02Z
dc.date.available2026-07-07T10:26:02Z
dc.descriptionWe present effective gravitational equations at low energies in a $Z_2$-symmetric braneworld with the Gauss-Bonnet term. Our derivation is based on the geometrical projection approach, and we solve iteratively the bulk geometry using the gradient expansion scheme. Although the original field equations are quite complicated due to the presence of the Gauss-Bonnet term, our final result clearly has the form of the Einstein equations plus correction terms, which is simple enough to handle. As an application, we consider homogeneous and isotropic cosmology on the brane. We also comment on the holographic interpretation of bulk gravity in the Gauss-Bonnet braneworld.
dc.description10 pages, v2: minor clarifications
dc.identifierhttps://arxiv.org/abs/hep-th/0608166
dc.identifierhttp://arxiv.org/abs/hep-th/0608166
dc.identifierPhys.Rev.D74:104031,2006
dc.identifierdoi:10.1103/PhysRevD.74.104031
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176743
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleLow energy effective gravitational equations on a Gauss-Bonnet brane
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