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arxiv: 0704.3768 · v2 · submitted 2007-04-28 · 🌌 astro-ph

Statefinder Diagnostic for Phantom Model with V(φ)=V₀exp(-λ{φ}²)

classification 🌌 astro-ph
keywords modelphantomdarkdiagnosticlambdastatefinderapplyattractor
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We investigate the phantom field with potential $V(\phi)=V_{0}\exp(-\lambda{\phi}^2)$ and dark matter in the spatially flat FRW model. It has been shown by numerical calculation that there is a attractor solution in this model. We also apply the statefinder diagnostic to this phantom model. It is shown that the evolving trajectories of this scenario in the $s-r$ diagram is quite different form other dark energy models.

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