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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(5) Existence of a matter-dominated stage and thatof a late-time cosmic acceleration・ Combing local gravity constraints, it is shown thatm ñ Rf 00 (R)/f 0 (R)has to be several orders ofmagnitude smaller than unity.mquantifies the deviation from the Λ CDM model.[Amendola, Gannouji, Polarski and <strong>Tsujikawa</strong>, <strong>Phys</strong>. <strong>Rev</strong>. D 75, 083504 (2007)][Amendola and <strong>Tsujikawa</strong>, <strong>Phys</strong>. Lett. B 660, 125 (<strong>2008</strong>)](6) Stability of the de Sitter spacef d = f(R d )(fd 0)2 à 2f d fd00R dfd 0f > 0d00:・Constant curvaturein the de Sitter spaceLinear stability of the inhomogeneous perturbations inthe de Sitter spaceCf.R d =2f d /f 0 d m
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