$f(T)$ cosmology via Noether symmetry

Details $f(T)$ cosmology via Noether symmetry $f(T)$ cosmology via Noether symmetry

2011-12-13

arxiv.org/abs/1112.2824v2

Physics

General Physics

12 pages, 2 figures. Minor corrections and references added. arXiv admin note: text overlap with arXiv:0804.2163, arXiv:1109.1

Scientific paper

We consider Noether symmetry approach to find out exact cosmological solutions in $f(T)$-gravity. Instead of taking into account phenomenological models, we apply the Noether symmetry to the $f(T)$ gravity. As a result, the presence of such symmetries selects viable models and allow to solve the equations of motion. We show that the generated $f(T)$ leads to a power law expansion for the cosmological scale factor.

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