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Dark Energy Models with Variable Equation of State Parameter

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Abstract

The dark energy models with variable equation of state parameter ω are investigated by using law of variation of Hubble’s parameter that yields the constant value of deceleration parameter. Here the equation of state parameter ω is found to be time dependent and its existing range for this model is consistent with the recent observations of SN Ia data, SN Ia data (with CMBR anisotropy) and galaxy clustering statistics. The physical significance of the dark energy models have also been discussed.

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Author information

Authors and Affiliations

  1. Department of Physics, Anand Engineering College, Keetham, Agra, 282 007, India

    Anil Kumar Yadav

  2. Department of Mathematics, Jadavpur University, Kolkata, 700 032, India

    Farook Rahaman

  3. Department of Physics, Government College of Engineering and Ceramic Technology, Kolkata, 700 010, India

    Saibal Ray

Authors
  1. Anil Kumar Yadav
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  2. Farook Rahaman
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  3. Saibal Ray
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Corresponding author

Correspondence to Farook Rahaman.

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Yadav, A.K., Rahaman, F. & Ray, S. Dark Energy Models with Variable Equation of State Parameter. Int J Theor Phys 50, 871–881 (2011). https://doi.org/10.1007/s10773-010-0628-3

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  • DOI: https://doi.org/10.1007/s10773-010-0628-3

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