Modified gravity with negative and positive powers of the curvature: unification of the inflation and of the cosmic acceleration

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dc.creatorNojiri, Shin'ichi
dc.creatorOdintsov, Sergei D.
dc.date2003-07-30
dc.date2003-09-19
dc.date.accessioned2026-07-07T10:49:42Z
dc.date.available2026-07-07T10:49:42Z
dc.descriptionThe modified gravity, which eliminates the need for dark energy and which seems to be stable, is considered. The terms with positive powers of the curvature support the inflationary epoch while the terms with negative powers of the curvature serve as effective dark energy, supporting current cosmic acceleration. The equivalent scalar-tensor gravity may be compatible with the simplest solar system experiments.
dc.description23 pages, 3 figures, discussion is extended, references added, version to appear in PRD
dc.identifierhttps://arxiv.org/abs/hep-th/0307288
dc.identifierhttp://arxiv.org/abs/hep-th/0307288
dc.identifierPhys.Rev.D68:123512,2003
dc.identifierdoi:10.1103/PhysRevD.68.123512
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/184306
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleModified gravity with negative and positive powers of the curvature: unification of the inflation and of the cosmic acceleration
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