A Note on Inflation with Tachyon Rolling on the Gauss-Bonnet Brane

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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RevTex4, 5 pages, no figures, Minor clarifications added and references updated, To appear in PRD

Scientific paper

10.1103/PhysRevD.70.027301

In this paper we study the tachyonic inflation in brane world cosmology with Gauss-Bonnet term in the bulk. We obtain the exact solution of slow roll equations in case of exponential potential. We attempt to implement the proposal of Lidsey and Nunes, astro-ph/0303168, for the tachyon condensate rolling on the Gauss-Bonnet brane and discuss the difficulties associated with the proposal.

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