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arXiv · hep-ph/0304236

Inflationary Attractor from Tachyonic Matter

Zong-Kuan Guo·Yun-Song Piao·Rong-Gen Cai·Yuan-Zhong Zhang
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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.

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Zong-Kuan Guo, Yun-Song Piao, Rong-Gen Cai, Yuan-Zhong Zhang. 2003-06-14. Inflationary Attractor from Tachyonic Matter. https://doi.org/10.1103/physrevd.68.043508

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