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2016•Prespacetime journalRequires access

A Scalar Field Cosmological Model in a Modified Theory of Gravitation

T. Kanakavalli, G. Ananda Rao, D. R. K. Reddy

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Abstract

This paper is devoted to the discussion of Bianchi type-III cosmological model in the frame work of f (R,T) gravity in the presence of two non-interacting matter sources, scalar field (quintessence or phantom) with scalar potential and matter contribution due to f (R,T) action where R is the Ricci scalar and T is the trace of the energy tensor.  We have solved the field equations using the fact that scalar expansion is proportional to shear scalar of the space-time and presented the scalar field model in this theory.  Finally, we have also discussed some physical and kinematical properties of the model.

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What this paper is about

This paper is devoted to the discussion of Bianchi type-III cosmological model in the frame work of f (R,T) gravity in the presence of two non-interacting matter sources, scalar field (quintessence or phantom) with scalar potential and matter contribution due to f (R,T) action where R is the Ricci scalar and T is the trace of the energy tensor.  We have solved the field equations using the fact that scalar expansion is proportional to shear scalar of the space-time and presented the scalar field model in this theory.  Finally, we have also discussed some physical and kinematical properties of the model.

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Available abstract

This paper is devoted to the discussion of Bianchi type-III cosmological model in the frame work of f (R,T) gravity in the presence of two non-interacting matter sources, scalar field (quintessence or phantom) with scalar potential and matter contribution due to f (R,T) action where R is the Ricci scalar and T is the trace of the energy tensor.  We have solved the field equations using the fact that scalar expansion is proportional to shear scalar of the space-time and presented the scalar field model in this theory.  Finally, we have also discussed some physical and kinematical properties of the model.

Key concepts: Quintessence, Physics, Scalar theories of gravitation, Scalar–tensor theory, Scalar field, Scalar (mathematics), Mathematical physics, f(R) gravity

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