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Bianchi type-I,V and VIo models in modified generalized scalar-tensor theory
Authors:T Singh  R Chaubey
Institution:(1) Department of Applied Mathematics, Institute of Technology, Banaras Hindu University, Varanasi, 221 005, India
Abstract:In modified generalized scalar-tensor (GST) theory, the cosmological term Λ is a function of the scalar field ϕ and its derivatives $$
\dot \phi ^2 
$$. We obtain exact solutions of the field equations in Bianchi Type-I, V and VIo space-times. The evolution of the scale factor, the scalar field and the cosmological term has been discussed. The Bianchi Type-I model has been discussed in detail. Further, Bianchi Type-V and VIo models can be studied on the lines similar to Bianchi Type-I model.
Keywords:Bianchi type  scalar-tensor theory  cosmological term  scalar field
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