Implementing Power Law Inflation with Tachyon Rolling on the Brane

Details Implementing Power Law Inflation with Tachyon Rolling on the Brane Implementing Power Law Inflation with Tachyon Rolling on the Brane

2002-05-15

arxiv.org/abs/hep-th/0205146v3

Mod.Phys.Lett.A18:691,2003

Physics

High Energy Physics

High Energy Physics - Theory

RevTeX, 4 pages, New references added

Scientific paper

10.1142/S021773230300968X

We study a minimally coupled tachyon field rolling down to its ground state on the FRW brane. We construct tacyonic potential which can implements power law inflation in the brane world cosmology. The potential turns out to be ${V_0 \phi^{-1}}$ on the brane and reduces to inverse square potential at late times when brane corrections to the Friedmann equation become negligible. We also do similar exercise with a normal scalar field and discover that the inverse square potential on the brane leads to power law inflation.

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