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f(T) cosmology via Noether symmetry

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arxiv 1112.2824 v3 pith:IUM4OKHM submitted 2011-12-13 physics.gen-ph

f(T) cosmology via Noether symmetry

classification physics.gen-ph
keywords noethersymmetrycosmologicalgravitymodelsaccountallowapply
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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