The dynamical behavior of $f(T)$ theory

By Puxun Wu, Hongwei Yu. 2010

229 citations recorded by the source corpus.

Recently, a new model obtained from generalizing teleparallel gravity, named f(T) theory, is proposed to explain the present cosmic accelerating expansion with no need of dark energy. In this Letter, we analyze the dynamical property of this theory. For a concrete power law model, we obtain that the dynamical system has a stable de Sitter phase along with an unstable radiation dominated phase and an unstable matter dominated one. We show that the Universe can evolve from a radiation dominated era to a matter dominated one, and finally enter an exponential expansion phase.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/b4120f8df537f3e7736c4c8732d56fb9765b4447

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Citations in the corpus

Growth factor in $f(T)$ gravity (2010, unknown): “See [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19] in detail.”
Solar system constraints on f(T) gravity (2012, methodology): “(2012), Wu & Yu (2010b), Bengochea (2011), Ferraro & Fiorini (2011c), Daouda et al. (2011), Daouda et al. (2012a)), as well as in its black hole solutions (Wang (2011), Miao et al. (2011), Wei et al (2012), Ferraro & Fiorini (2011b)), the authors still use thsimple relation between the vierbeins…”
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.”
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].”