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Modified QCD ghost\(f(T,T_{G})\)gravity

Author:
Jawad, Abdul   Rani, Shamaila   Chattopadhyay, Surajit   


Journal:
Astrophysics and Space Science


Issue Date:
2015


Abstract(summary):

In this paper, we explore the reconstruction scenario of modified QCD ghost dark energy model and newly proposed f (T, T-G) gravity in flat FRW universe. We consider the well-known assumption of scale factor, i.e., power law form. We construct the f (T, TG) model and discuss its cosmological consequences through various cosmological parameters such as equation of state parameter, squared speed of sound and w(DE) - w'(DE). The equation of state parameter provides the quintom-like behavior of the universe. The squared speed of sound exhibits the stability of model in the later time. Also, w(DE) - w'(DE) corresponds to freezing as well as thawing regions. It is also interesting to remark here that the results of equation of state parameter and w(DE) - w'(DE) coincide with the observational data.


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