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Título : Crossing of Phantom Divide in F(r) Gravity
Autor : Bamba, Kazuharu, Geng, Chao-Qiang, Nojiri, Shin'ichi, Odintsov, Sergei D.
Palabras clave : Modified theories of gravity
Dark energy
Fecha de publicación : 20-Apr-2010
Editor: World Scientific Publishing
Resumen: An explicit model of F(R) gravity with realizing a crossing of the phantom divide is reconstructed. In particular, it is shown that the Big Rip singularity may appear in the reconstructed model of F(R) gravity. Such a Big Rip singularity could be avoided by adding R2 term or non-singular viable F(R) theory1 to the model because phantom behavior becomes transient.
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ISSN: 0217-7323
DOI: 10.1142/S0217732310000058
Citación : Modern Physics Letters A 25 (11-12) : 900-908 (2010)
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