Acceleration of the Universe in Presence of Tachyonic field

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In this letter, we have assumed that the Universe is filled in tachyonic field with potential, which gives the acceleration of the Universe. For certain choice of potential, we have found the exact solutions of the field equations. We have shown the decaying nature of potential. From recently developed statefinder parameters, we have investigated the role of tachyonic field in different stages of the evolution of the Universe.
5 latex pages, 5 figures, RevTex style

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/199950

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0712.3107
 http://arxiv.org/abs/0712.3107
 Astrophys.SpaceSci.314:41-44,2008
 doi:10.1007/s10509-007-9732-0

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arXiv