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Título: | Accelerating cosmologies from non-local higher-derivative gravity |
Autor: | Capozziello, Salvatore; Elizalde, Emilio CSIC ORCID; Nojiri, Shin'ichi; Odintsov, Sergei D. CSIC ORCID | Palabras clave: | PACS Higher-dimensional gravity and other theories of gravity PACS Experimental tests of gravitational theories PACS Cosmology PACS Strings and branes PACS Dark energy |
Fecha de publicación: | 12-ene-2009 | Editor: | Elsevier | Citación: | Physics Letters B 671(1): 193-198 (2009) | Resumen: | We 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. | Descripción: | 6 pages.-- PACS nrs.: 04.50.+h; 04.80.Cc; 98.80.-k; 11.25.-w; 95.36.+x.-- ArXiv pre-print available at: http://arxiv.org/abs/0809.1535 | Versión del editor: | http://dx.doi.org/10.1016/j.physletb.2008.11.060 | URI: | http://hdl.handle.net/10261/10754 | DOI: | 10.1016/j.physletb.2008.11.060 | ISSN: | 0370-2693 |
Aparece en las colecciones: | (ICE) Artículos |
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0809.1535v2.pdf | 197,15 kB | Adobe PDF | Visualizar/Abrir |
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