$f(T)$ models with phantom divide line crossing

Details $f(T)$ models with phantom divide line crossing $f(T)$ models with phantom divide line crossing

2010-08-21

arxiv.org/abs/1008.3669v3

Eur.Phys.J.C71:1552,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, 4 figures, equations corrected

Scientific paper

10.1140/epjc/s10052-011-1552-2

In this paper, we propose two new models in $f(T)$ gravity to realize the
crossing of the phantom divide line for the effective equation of state, and we
then study the observational constraints on the model parameters. The best fit
results suggest that the observations favor a crossing of the phantom divide
line.

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