Accelerating cosmologies from non-local higher-derivative gravity

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dc.creatorCapozziello, Salvatore
dc.creatorElizalde, Emilio
dc.creatorNojiri, Shin'ichi
dc.creatorOdintsov, Sergei D.
dc.date2008-09-09
dc.date2008-11-26
dc.date.accessioned2026-07-07T12:30:19Z
dc.date.available2026-07-07T12:30:19Z
dc.descriptionWe study accelerating cosmological solutions of a general class of non-linear gravities which depend on Gauss-Bonnet and other higher derivative invariants. To achieve this goal a local formulation with auxiliary scalars for arbitrary higher-derivative non-local gravity is developed. It is demonstrated that non-local Gauss-Bonnet gravity can be reduced, in the local formulation, to a model of string-inspired scalar-Gauss-Bonnet gravity. A natural unification, in the theory here developed, of the early-time inflation epoch with a late-time acceleration stage can also be realized.
dc.description7 pages, no figures, version to appear in Physics Letters B
dc.identifierhttps://arxiv.org/abs/0809.1535
dc.identifierhttp://arxiv.org/abs/0809.1535
dc.identifierPhys.Lett.B671:193-198,2009
dc.identifierdoi:10.1016/j.physletb.2008.11.060
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216099
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectMathematical Physics
dc.titleAccelerating cosmologies from non-local higher-derivative gravity
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