Astrophysics > Cosmology and Nongalactic Astrophysics
[Submitted on 23 Jul 2010
(v1)
, last revised 8 Oct 2010 (this version, v2)]
Title: k-essence in the DGP brane-world cosmology
Title: k-本质在DGP膜宇宙学中的研究
Abstract: We analyse a DGP brane filled with a k-essence field and assume the k-field evolving linearly with the cosmic time of the brane. We then solve analytically the Friedmann equation and deduce the different behaviour of the brane at the low and the high energy regimes. The asymptotic behaviour can be quite different involving accelerating branes, big bangs, big crunches, big rips or quiescent singularities. The latter correspond to a type of sudden singularity.
Submission history
From: Mariam Bouhmadi-Lopez [view email][v1] Fri, 23 Jul 2010 14:37:29 UTC (11 KB)
[v2] Fri, 8 Oct 2010 12:54:27 UTC (11 KB)
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