The holographic dark energy in non - flat Brans - Dicke cosmology

نویسنده

  • M. R. Setare
چکیده

In this paper we study cosmological application of holographic dark energy density in the Brans-Dicke framwork. We employ the holographic model of dark energy to obtain the equation of state for the holographic energy density in non-flat (closed) universe enclosed by the event horizon measured from the sphere of horizon named L. Our calculation show, taking Ω Λ = 0.73 for the present time, the lower bound of w Λ is −0.9. Therefore it is impossible to have w Λ crossing −1. This implies that one can not generate phantom-like equation of state from an interacting holographic dark energy model in non-flat universe in the Brans-Dicke cosmology framwork.

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تاریخ انتشار 2006