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Open Access item Crossing of Phantom Divide in F(r) Gravity

Authors:Bamba, Kazuharu
Geng, Chao-Qiang
Nojiri, Shin'ichi
Odintsov, Sergei D.
Keywords:Modified theories of gravity, Dark energy, Cosmology
Issue Date:20-Apr-2010
Publisher:World Scientific Publishing
Citation:Modern Physics Letters A 25 (11-12) : 900-908 (2010)
Abstract: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.
Publisher version (URL):http://dx.doi.org/10.1142/S0217732310000058
URI:http://hdl.handle.net/10261/38136
ISSN:0217-7323
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Appears in Collections:(ICE) Artículos

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