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    • Bianchi Type-I, V and VIo models in modified generalized scalar–tensor theory

      T Singh R Chaubey

      Research Articles Volume 69 Issue 2 August 2007 pp 159-166

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/069/02/0159-0166

    • Keywords

       

      Bianchi type; scalar–tensor theory; cosmological term; scalar field.

    • 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.

    • Author Affiliations

       

      T Singh1 R Chaubey1

      1. Department of Applied Mathematics, Institute of Technology, Banaras Hindu University, Varanasi 221 005, India

    • Dates

       
      Published
      August 2007
      Manuscript received
      23 December 2005
      Manuscript revised
      11 January 2007
      Accepted
      6 March 2007

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