Cosmic Behavior, Statefinder Diagnostic and w−w′w-w^{\prime} Analysis for Interacting NADE model in Non-flat Universe

preprint2010arXivOpen access

Abstract

We give a brief review of interacting NADE model in non-flat universe. we study the effect of spatial curvature ΩkΩ_{k}, interaction coefficient αα and the main parameter of NADE, nn, On EoS parameter wdw_{d} and deceleration parameter qq. We obtain a minimum value for nn in both early and present time, in order to that our DE model crosses the phantom divide. Also in a closed universe, changing the sign of qq is strongly dependent on αα. It has been shown that the quantities wdw_{d} and qq have a different treatment for various spatial curvature. At last, we calculate the statefinder diagnostic and w−w′ w-w^{\prime} analysis in non flat universe. In non flat universe, the statefinder trajectory is discriminated by both nn and αα.

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