Scalar fluctuations in dilatonic brane-worlds

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dc.creatorBozza, V.
dc.creatorGasperini, M.
dc.creatorVeneziano, G.
dc.date2001-11-29
dc.date.accessioned2026-07-07T04:12:46Z
dc.date.available2026-07-07T04:12:46Z
dc.descriptionWe derive and solve the full set of scalar perturbation equations for a class of five-dimensional brane--world solutions, with a dilaton scalar field coupled to the bulk cosmological constant and to a 3-brane. The spectrum contains one localized massless scalar mode, to be interpreted as an effective dilaton on the brane, inducing long--range scalar interactions. Two massive scalar modes yield corrections to Newton's law at short distances, which persist even in the limit of vanishing dilaton (namely, in the standard Randall--Sundrum configuration).
dc.description10 pages. Talk presented by V. Bozza at COSMO-01 conference, Rovaniemi, 2001
dc.identifierhttps://arxiv.org/abs/hep-th/0111268
dc.identifierhttp://arxiv.org/abs/hep-th/0111268
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/51020
dc.subjectHigh Energy Physics - Theory
dc.titleScalar fluctuations in dilatonic brane-worlds
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