Asymptotic behavior of w in general quintom model

Details Asymptotic behavior of w in general quintom model Asymptotic behavior of w in general quintom model

2007-06-10

arxiv.org/abs/0706.1360v3

Gen.Rel.Grav.40:107-115,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, one example is added, accepted for publication in Gen. Rel. Grav

Scientific paper

10.1007/s10714-007-0514-3

For the quintom models with arbitrary potential $V=V(\phi,\sigma)$, the
asymptotic value of equation of state parameter w is obtained by a new method.
In this method, w of stable attractors are calculated by using the ratio (d ln
V)/(d ln a) in asymptotic region. All the known results, have been obtained by
other methods, are reproduced by this method as specific examples.

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