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FRW Cosmology with Variable G and Λ

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Abstract

We have considered a cosmological model of the FRW universe with variable G and Λ. The solutions have been obtained for flat model with particular form of cosmological constant. The cosmological parameters have also been obtained for dust, radiation and stiff matter. The statefinder parameters are analyzed and have shown that these depends only on w and ε. Further the lookback time, proper distance, luminosity distance and angular diameter distance have also been calculated for our model.

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Authors and Affiliations

  1. Center for Advanced Mathematics and Physics, National University of Sciences and Technology, H-12, Islamabad, Pakistan

    Mubasher Jamil

  2. Department of Mathematics, Bengal Engineering and Science University, Shibpur, Howrah, 711 103, India

    Ujjal Debnath

Authors
  1. Mubasher Jamil
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  2. Ujjal Debnath
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Correspondence to Mubasher Jamil.

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Jamil, M., Debnath, U. FRW Cosmology with Variable G and Λ. Int J Theor Phys 50, 1602–1613 (2011). https://doi.org/10.1007/s10773-011-0670-9

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  • DOI: https://doi.org/10.1007/s10773-011-0670-9

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