Astrophysics and Space Science

, Volume 343, Issue 1, pp 499–504 | Cite as

Reconstruction of f(R), f(T) and \(f(\mathcal{G})\) models inspired by variable deceleration parameter

Original Article
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Abstract

We study an special law for the deceleration parameter, recently proposed by Akarsu and Dereli, in the context of f(R), f(T) and \(f(\mathcal{G})\) theories of modified gravity. This law covers the law of Berman for obtaining exact cosmological models to account for the current acceleration of the universe, and also gives the opportunity to generalize many of the dark energy models having better consistency with the cosmological observations. Our aim is to reconstruct the f(R), f(T) and \(f(\mathcal{G})\) models inspired by this law of variable deceleration parameter. Such models may then exhibit better consistency with the cosmological observations.

Keywords

Accelerating universe Modified f(R), f(T) and \(f(\mathcal{G})\) gravities Deceleration parameter 
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Notes

Acknowledgements

I would like to thank the anonymous referee for enlightening and very valuable comments on this paper. This work has been supported financially by Research Institute for Astronomy and Astrophysics of Maragha (RIAAM) under research project No. 1/2782-4.

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  1. 1.Department of PhysicsAzarbaijan Shahid Madani UniversityTabrizIran
  2. 2.Research Institute for Astronomy and Astrophysics of Maragha (RIAAM)MaraghaIran

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