Does curvature-dilaton coupling with Kalb Ramond field lead to an accelerating Universe ?

Details Does curvature-dilaton coupling with Kalb Ramond field lead to an accelerating Universe ? Does curvature-dilaton coupling with Kalb Ramond field lead to an accelerating Universe ?

2002-07-08

arxiv.org/abs/hep-th/0207065v3

JCAP 0312 (2003) 001

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, latex, 3 figures, version thoroughly revised

Scientific paper

In this work we show that the Universe evolving in a spacetime with torsion (originated from a second rank antisymmetric Kalb-Ramond field) and dilaton is free from any big bang singularity and can have acceleration during the evolution. Both the matter and radiation dominated era have been considered and the role of the dilaton to explain the decelerating phase in the earlier epoch has also been discussed.

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