Acceleration of the Universe in Presence of Tachyonic field
arXiv:0712.3107 · doi:10.1007/s10509-007-9732-0
Abstract
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