On Some Exponential Potentials for a Cosmological Scalar Field as Quintessence

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We present general exact solutions for two classes of exponential potentials in scalar field models for quintessence. The coupling is minimal and we consider only dust and scalar field. To some extent, it is possible to reproduce experimental results from supernovae.
revised version. To appear Gen. Rel. Grav

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Astrophysics, General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/196497

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/0103335
 http://arxiv.org/abs/astro-ph/0103335
 Gen.Rel.Grav.34:307-328,2002
 doi:10.1023/A:1015395512123

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arXiv