Energy conditions and modified gravity in anisotropic universe
2018
In this paper, energy conditions in a new f (G, T) modified gravity (G and T represent the Gauss-Bonnet invariant and trace of the energy-momentum tensor, respectively) for anisotropic universe with perfect fluid are analyzed. In this model, we develop the general scheme for new f (G, T) modified gravity reconstruction from realistic anisotropic Bianchi type I cosmology. Using de Sitter solution, the exact solutions of the field equations has been obtained. It is found that null and weak energy conditions are satisfied for the parameter range considered. As a result, the analysis show that the increase of anisotropy is attributed to the increase of weak energy condition.
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