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Early Universe with Variable Cosmological Constants in Higher Dimensional Space Time

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Abstract

The field equations with variable cosmological and gravitational constants are consider in the presence of perfect fluid for Kaluza-Klein type cosmological model. The exact solutions of the field equations are obtained by using the gamma law equation of state p=(γ−1)ρ in which the parameter γ depends on scale factor R. The functional form of γ(R) is used to analyze a wide range of cosmological solution at early universe for two phases in cosmic history: inflationary phase and radiation dominated phase. The corresponding physical interpretation of cosmological solution are also discussed in the framework of higher dimensional space time.

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Authors and Affiliations

  1. Department of Mathematics, Rashtrasant Tukadoji Maharaj Nagpur University, Mahatma Jyotiba Phule Educational Campus, Amravati Road, Nagpur, 440033, India

    G. S. Khadekar & Gopal L. Kondawar

  2. Department of Mathematics, The University of Abant Izzet Baysal, Campus of Izzet Baysal, Golkoy Bolu, 14285, Turkey

    Cenap Ozel

Authors
  1. G. S. Khadekar
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  2. Gopal L. Kondawar
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  3. Cenap Ozel
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Correspondence to G. S. Khadekar.

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Khadekar, G.S., Kondawar, G.L. & Ozel, C. Early Universe with Variable Cosmological Constants in Higher Dimensional Space Time. Int J Theor Phys 47, 1844–1852 (2008). https://doi.org/10.1007/s10773-007-9629-2

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  • DOI: https://doi.org/10.1007/s10773-007-9629-2

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