F(T) gravity and k-essence

Details F(T) gravity and k-essence F(T) gravity and k-essence

2010-08-26

arxiv.org/abs/1008.4486v3

Physics

General Physics

20 pages. References and new results added, misprints and typos corrected

Scientific paper

Modified teleparallel gravity theory with the torsion scalar have recently gained a lot of attention as a possible explanation of dark energy. We perform a thorough reconstruction analysis on the so-called $F(T)$ models, where $F(T)$ is some general function of the torsion term, and derive conditions for the equivalence between of $F(T)$ models with purely kinetic k-essence. We present a new class models of $F(T)$-gravity and k-essence. We also proposed some new models of generalized gases and knot universes.

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