The stability of modified gravity models

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dc.creatorFaraoni, Valerio
dc.creatorNadeau, Shahn
dc.date2005-11-16
dc.date.accessioned2026-07-07T11:26:19Z
dc.date.available2026-07-07T11:26:19Z
dc.descriptionConditions for the existence and stability of de Sitter space in modified gravity are derived by considering inhomogeneous perturbations in a gauge-invariant formalism. The stability condition coincides with the corresponding condition for stability with respect to homogeneous perturbations, while this is not the case in scalar-tensor gravity. The stability criterion is applied to various modified gravity models of the early and the present universe.
dc.description22 pages, LaTeX, to appear in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/gr-qc/0511094
dc.identifierhttp://arxiv.org/abs/gr-qc/0511094
dc.identifierPhys.Rev.D72:124005,2005
dc.identifierdoi:10.1103/PhysRevD.72.124005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195787
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Theory
dc.titleThe stability of modified gravity models
dc.typetext

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