Inflationary Attractor from Tachyonic Matter

Details Inflationary Attractor from Tachyonic Matter Inflationary Attractor from Tachyonic Matter

2003-04-24

arxiv.org/abs/hep-ph/0304236v2

Phys.Rev. D68 (2003) 043508

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, RevTeX

Scientific paper

10.1103/PhysRevD.68.043508

We study the complete evolution of a flat and homogeneous universe dominated by tachyonic matter. We demonstrate the attractor behaviour of the tachyonic inflation using the Hamilton-Jacobi formalism. We else obtain analytical approximations to the trajectories of the tachyon field in different regions. The numerical calculation shows that an initial non-vanishing momentum does not prevent the onset of inflation. The slow-rolling solution is an attractor.

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