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Bianchi type-V cosmological model with perfect fluid using negative constant deceleration parameter in a scalar tensor theory based on Lyra Manifold |
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| Authors: | V U M Rao T Vinutha M Vijaya Santhi |
| Institution: | (1) Department of Applied Mathematics, Andhra University, Visakhapatnam, A.P., India;(2) Department of Basic Sciences and Humanities (Mathematics), College of Engineering, GITAM University, Visakhapatnam, A.P., India |
| Abstract: | An exact Bianchi type-V perfect fluid cosmological model is obtained in a scalar tensor theory proposed by Sen (Z. Phys. 149:311, 1957) based on Lyra Manifold in case of β is a constant and it is shown that this cosmological model exists only in the case of Radiation Universe (ρ=3p) if β is a function of ‘t’ using negative constant deceleration parameter. Some physical and geometrical properties of these models are discussed. |
| Keywords: | Bianchi type-V Lyra manifold Perfect fluid and negative constant Deceleration parameter |
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