Cosmic Acceleration and Modified Gravitational Models

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dc.creatorEasson, Damien A.
dc.date2004-11-08
dc.date2004-11-30
dc.date.accessioned2026-07-07T11:29:28Z
dc.date.available2026-07-07T11:29:28Z
dc.descriptionThere is now overwhelming observational evidence that our Universe is accelerating in its expansion. I discuss how modified gravitational models can provide an explanation for this observed late-time cosmic acceleration. We consider specific low-curvature corrections to the Einstein-Hilbert action. Many of these models generically contain unstable de Sitter solutions and, depending on the parameters of the theory, late-time accelerating attractor solutions.
dc.description11 pages, 3 figures, references added; Based on talks given at MRST-04, PASCOS-04 and COSMO-04
dc.identifierhttps://arxiv.org/abs/astro-ph/0411209
dc.identifierhttp://arxiv.org/abs/astro-ph/0411209
dc.identifierInt.J.Mod.Phys.A19:5343-5350,2004
dc.identifierdoi:10.1142/S0217751X04022578
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196726
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleCosmic Acceleration and Modified Gravitational Models
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