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

Abstract

We give a brief review of interacting NADE model in non-flat universe. we study the effect of spatial curvature ${\Omega }_k$, interaction coefficient $\alpha$ and the main parameter of NADE, $n$, On EoS parameter $w_d$ and deceleration parameter $q$. We obtain a minimum value for $n$ 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 $q$ is strongly dependent on $\alpha$. It has been shown that the quantities $w_d$ and $q$ have a different treatment for various spatial curvature. At last, we calculate the statefinder diagnostic and $w-w^{\prime }$ analysis in non flat universe. In non flat universe, the statefinder trajectory is discriminated by both $n$ and $\alpha$.

18 pages, 4 figures, Accepted in Astrophysics & Space Science Journal

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