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Analysis of F(R,T) Gravity Models Through Energy Conditions

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arxiv 1210.2714 v1 pith:FCCTAMDY submitted 2012-10-09 gr-qc

Analysis of F(R,T) Gravity Models Through Energy Conditions

classification gr-qc
keywords energyconditionsgravityparametersmodelsscalarsometheory
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This paper is devoted to study the energy conditions in F(R,T) gravity for FRW universe with perfect fluid, where $R$ is the Ricci scalar and $T$ is the torsion scalar. We construct the general energy conditions in this theory and reduce them in F(R) as well as F(T) theory of gravity. Further, we assume some viable models and investigate bounds on their constant parameters to satisfy the energy condition inequalities. We also plot some of the cases using present-day values of the cosmological parameters. It is interesting to mention here that the model F(R,T)=\mu R+ \nu T satisfies the energy conditions for different ranges of the parameters.

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