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    • Cosmological models with constant deceleration parameter in Nordtvedt’s theory

      V B Johri Kalyani Desikan

      Volume 42 Issue 6 June 1994 pp 473-481

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/042/06/0473-0481

    • Keywords

       

      Cosmology; power-law and exponential expansion; general scalar-tensor theory

    • Abstract

       

      Exact solutions of the field equations of Nordtvedt’s theory for spatially flat FRW models with constant deceleration parameter have been obtained. Singular solutions with (i) power-law (ii) exponential expansion have been studied in Nordtvedt’s theory where the coupling parameterω is a function of the scalar fieldφ.

    • Author Affiliations

       

      V B Johri1 Kalyani Desikan1

      1. Cosmology Group, Department of Mathematics, Indian Institute of Technology, Madras - 600 036, India

    • Dates

       
      Published
      June 1994
      Manuscript received
      26 November 1993
      Manuscript revised
      5 March 1994

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