A Cosmological Model with Negative Constant Deceleration Parameter in a General Scalar-Tensor Theory of Gravitation |
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| Authors: | V. U. M. Rao and G. Sree Devi Kumari |
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| Affiliation: | (1) Department of Science and Humanities, Maharaj Vijay Ram Gajapathi Raj College of Engineering, Chintalavalasa, Vizianagaram, 535005, India;(2) Maths Dept., GMR Institute of Technology, Rajam, India;(3) Department of Applied Maths, Andhra University, Visakhapatnam, India |
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| Abstract: | Spatially homogeneous and anisotropic LRS Bianchi type-I metric is considered in the framework of Nordtvedt-Barker’s general scalar-tensor theory of gravitation when the source for the energy momentum tensor is a perfect fluid. With the help of a special law of variation for Hubble’s parameter proposed by Berman (Nuovo Cim. B. 74:182, 1983) a cosmological model with negative constant deceleration parameter is obtained. Some physical and kinematical properties of the model are also discussed. |
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