Non-existence of Bianchi type-III bulk viscous string cosmological model in f(R,T) gravity |
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| Authors: | M Kiran D R K Reddy |
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| Institution: | 1. Department of Mathematics, M.V.G.R. College of Engineering, Vizainagaram, Andhra Prades, India
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| Abstract: | A spatially homogeneous and anisotropic Bianchi type-III space-time is considered in the presence of bulk viscous fluid containing one dimensional cosmic strings in the frame work of f(R,T) gravity proposed by Harko et al. (Phys. Rev. D 84:024020, 2011). To get a determinate solution of the field equations of this theory, we have used (i) a barotropic equation of state for the pressure and density and (ii) the bulk viscous pressure is proportional to the energy density. It is interesting to observe that, in this case, Bianchi type-III bulk viscous string cosmological model does not exist and degenerates into vacuum model of general relativity. |
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