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Abstract
We investigate the interacting NADE model in non-flat universe. The effects of spatial curvature Ω k , interaction coefficient α and the main parameter of NADE, n, on EoS parameter w d and deceleration parameter q are studied. 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 α. 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 ′ analysis in non flat universe. In non flat universe, the statefinder trajectories are discriminated by both n and α.
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