Inflation from a Tachyon Fluid?

Abstract

Motivated by recent works of Sen and Gibbons, we study the evolution of a flat and homogeneous universe dominated by tachyon matter. In particular, we analyse the necessary conditions for inflation in the early roll of a single tachyon field.

12 pages, 2 figures, minor corrections and comments on reheating added

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• Schwinger-Keldysh mechanism in extended quasi single field inflation
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• Cosmological evolution of a D-brane
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• Warm constant-roll inflation in brane-world cosmology
• Potentials of Coupled Quintessence Based on a Dilaton
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• Warm Inflation in $f(Q)$ gravity
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• Tachyonic Universes in Patch Cosmologies with $\Omega >1$
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