Abstract
The present paper reports a study on the cosmological consequences of pilgrim dark energy model in the framework of generalized teleparallel gravity. We consider a reconstruction scheme for \(f(T)\) models with power law scale factor taking Hubble horizon and Nojiri-Odintsov length as infrared cutoffs. We consider a time dependent viscous model through effective pressure in order to incorporate the effect of viscosity in the models. We study accelerated expansion of the universe through effective equation of state parameter, which represents cosmological constant and phantom behavior consistent with the observational data. To check the stability of the models we use squared speed of sound parameter, which shows that the model is stable for higher values of scale factor parameter. Analysis of the plane containing effective equation of state parameter with its evolutionary parameter indicates freezing region of the accelerated expansion and viability of the model has been tested through observational data.
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Acknowledgements
Thoughtful comments from the reviewer are thankfully acknowledged. Surajit Chattopadhyay thankfully acknowledges financial support from the Dept. of Science and Technology, Govt. of India, under project grant No. SR/FTP/PS-167/2011.
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Jawad, A., Chattopadhyay, S. & Rani, S. Viscous pilgrim \(f(T)\) gravity models. Astrophys Space Sci 361, 231 (2016). https://doi.org/10.1007/s10509-016-2814-0
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DOI: https://doi.org/10.1007/s10509-016-2814-0