f(T) models with phantom divide line crossing

By Puxun Wu, Hongwei Yu. 2010

236 citations recorded by the source corpus.

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.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics, Oceanography

View Paper: https://www.semanticscholar.org/paper/66d428d1530f6535c3396b4d60e59729253a42cf

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Citations in the corpus

Modified Gravity and Cosmology (2011, background): “A large number of papers have followed [135] in a short space of time, exploring the transition from deceleration to acceleration, observational constraints, conformal transformations, and structure formation [815, 1287, 932, 1288, 1227, 289, 134, 1286, 78, 933, 681, 1293, 1308, 79].”
Solar system constraints on f(T) gravity (2012, background): “…Ferraro & Fiorini (2008), Bengochea & Ferraro (2009), Linder (2010), Myrzakulov (2011), Yerzhanov et al (2010), Wu & Yu (2010a), Chen et al. (2011), Wu & Yu (2011a), Bamba et al. (2010), Dent et al. (2011), Zheng & Huang (2011), Bamba et al. (2011), Yang (2011), Zhang et al. (2011), Cai et al.…”
Observational constraints on teleparallel dark energy (2011, background): “The first is to replace T by an arbitrary function f(T ) [41, 42, 46–72], similar to f(R) extensions of GR, and obtain new interesting terms in the field equations.”
Accelerating universe from F(T) gravity (2010, background): “[37–77]).”
Growth factor in $f(T)$ gravity (2010, methodology): “ed from the second order derivatives of the metric, and this feature may lead to pathologies. Recently, an alternative model based on modiﬁed teleparallel gravity receives considerable attention. See [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19] in detail. Instead of describing gravitation”