Tsujikawa, Phys. Rev. D 77, 023507 (2008)

Tsujikawa, Phys. Rev. D 77, 023507 (2008) Tsujikawa, Phys. Rev. D 77, 023507 (2008)

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Recent work >No. B-3[Martinelli, Melchiorri and Amendola, Phys. Rev. D 79, 123516 (2009)]Cf. [Nozari and Azizi, Phys. Lett. B 680, 205 (2009)]・It has been shown that in the Hu-Sawicki model, the transitionfrom the phantom phase to the non-phamtom one can also occur.From [Martinelli,Melchiorri andAmendola, Phys. Rev.D 79, 123516 (2009)]n =1F 0 (R 0 )=à 0.01F 0 (R 0 )=à 0.03F 0 (R 0 )=à 0.1Ω m =0.24

We reconstruct an explicit model of F(R) gravitywith realizing the crossing of the phantom divide.No. B-4< Preceding work >From [Amendola and Tsujikawa,Phys. Lett. B 660, 125 (2008)]F(R)=(R 1/c à Λ) c・ Example:c, Λ : Constantsc =1.8Phantom phaseNon-phantom phase

Recent work >No. B-3[Martinelli, Melchiorri and Amendola, <strong>Phys</strong>. <strong>Rev</strong>. D 79, 123516 (2009)]Cf. [Nozari and Azizi, <strong>Phys</strong>. Lett. B 680, 205 (2009)]・It has been shown that in the Hu-Sawicki model, the transitionfrom the phantom phase to the non-phamtom one can also occur.From [Martinelli,Melchiorri andAmendola, <strong>Phys</strong>. <strong>Rev</strong>.D 79, 123516 (2009)]n =1F 0 (R 0 )=à 0.01F 0 (R 0 )=à 0.03F 0 (R 0 )=à 0.1Ω m =0.24

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