More on ghosts in DGP model

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dc.creatorGorbunov, Dmitry
dc.creatorKoyama, Kazuya
dc.creatorSibiryakov, Sergei
dc.date2005-12-08
dc.date.accessioned2026-07-07T11:27:19Z
dc.date.available2026-07-07T11:27:19Z
dc.descriptionIt is shown by an explicit calculation that the excitations about the self-accelerating cosmological solution of the Dvali--Gabadaze--Porrati model contain a ghost mode. This raises serious doubts about viability of this solution. Our analysis reveals the similarity between the quadratic theory for the perturbations around the self-accelerating Universe and an Abelian gauge model with two Stueckelberg fields.
dc.descriptionRevtex, 9 pages, no figures
dc.identifierhttps://arxiv.org/abs/hep-th/0512097
dc.identifierhttp://arxiv.org/abs/hep-th/0512097
dc.identifierPhys.Rev.D73:044016,2006
dc.identifierdoi:10.1103/PhysRevD.73.044016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196116
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleMore on ghosts in DGP model
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