Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 3, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2007/03/007
Keywords
dark energy theory; cosmology of theories beyond the SM
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In this paper, we study the holographic dark energy model in a non-flat universe from the statefinder viewpoint. We plot the evolutionary trajectories of the holographic dark energy model for different values of the parameter c as well as for different contributions of spatial curvature, in the statefinder parameter planes. The statefinder diagrams characterize the properties of the holographic dark energy and discriminate between this scenario and other dark energy models. As we show, the contributions of the spatial curvature in the model can be diagnosed explicitly by the statefinder diagrams. Furthermore, we also investigate the holographic dark energy model in the w-w' plane, which can provide us with a useful dynamical diagnosis complement to the statefinder geometrical diagnosis.
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