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Anisotropic cosmological models in $f(R,T)$ gravity with variable deceleration parameter | P.K. Sahoo
; Parbati Sahoo
; Binaya K. Bishi
; | Date: |
7 Feb 2017 | Abstract: | The objective of this work enclosed with the study of spatially homogeneous
anisotropic Bianchi type-I universe in $f(R,T)$ gravity (where $R$ is the Ricci
scalar and $T$ is the trace of stress energy momentum tensor) in two different
cases viz. $f(R,T)=R+2f(T)$ and $f(R,T)=f_1(R)+f_2(T)$ with bulk viscosity
matter content. In this study, we consider a time varying deceleration
parameter which generates an accelerating universe to obtain the exact solution
of the field equations. The physical and kinematical properties of both the
models are discussed in detail for the future evolution of universe. We have
explored the nature of WEC, DEC, SEC and energy density for both the cases. We
have found that both the models with bulk viscosity matter component shows an
acceleration of the universe. We have also shown that the cosmic jerk parameter
is compatible with the three kinematical data sets. | Source: | arXiv, 1702.2469 | Services: | Forum | Review | PDF | Favorites |
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