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arxiv: astro-ph/0507397 · v5 · submitted 2005-07-18 · 🌌 astro-ph · gr-qc

Correspondence Between 5D Ricci-Flat Cosmological Models and Quintessence Dark Energy Models

classification 🌌 astro-ph gr-qc
keywords arbitrarycorrespondencefunctionmodelsdarkenergypotentialquintessence
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We study the accelerating expansion and the induced dark energy of the $5D$ Ricci-flat universe which is characterized by having a big bounce as opposed to a big bang. We show that the arbitrary function $\mu(t)$ contained in the $5D$ solutions can be rewritten in terms of the redshift $z$ as a new arbitrary function $f(z)$, and we find that there is a correspondence between this $f(z)$ and the potential $V(\phi)$ of the 4D quintessence models. Using this correspondence, the arbitrary function $f(z)$ and the $5D$ solution could be specified for a given form of the potential $V(\phi)$.

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