期刊
PHYSICS LETTERS B
卷 662, 期 2, 页码 92-96出版社
ELSEVIER
DOI: 10.1016/j.physletb.2008.02.062
关键词
quintom model; tachyon; non-minimal coupling
In this Letter we consider a quintom model of dark energy with a single scalar field T given by a Lagrangian which inspired by tachyonic Lagrangian in string theory. We consider non-minimal coupling of tachyon field to the scalar curvature, then we obtain the equation of state (EoS), and the condition required for the model parameters when omega crosses over - 1. (C) 2008 Elsevier B.V. All rights reserved.
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