Inflationary Attractor from Tachyonic Matter
High Energy Physics - Phenomenology
2007-05-23 v2
Abstract
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.
Keywords
Cite
@article{arxiv.hep-ph/0304236,
title = {Inflationary Attractor from Tachyonic Matter},
author = {Zong-Kuan Guo and Yun-Song Piao and Rong-Gen Cai and Yuan-Zhong Zhang},
journal= {arXiv preprint arXiv:hep-ph/0304236},
year = {2007}
}
Comments
4 pages, 2 figures, RevTeX