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Cosmological Models with Variable G in C-Field Cosmology

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Abstract

Cosmological models with variable G in C-field cosmology for barotropic fluid distribution in FRW space-time are investigated. To get the deterministic model of the universe, we have assumed that G=R n where R is the scale factor and n the constant. To obtain the results in terms of cosmic time t, we have assumed n=−1. We find that for n=−1, Creation field (C) and spatial volume increase with time, G and ρ (matter density) decreases with time, the model represent accelerating universe. Thus inflationary scenario exists in the model. The model is also free from horizon. The results so obtained match with the astronomical observations.

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Authors and Affiliations

  1. Department of Mathematics, University of Rajasthan, Jaipur, 302055, India

    Raj Bali & Meghna Kumawat

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  1. Raj Bali
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  2. Meghna Kumawat
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Correspondence to Raj Bali.

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Bali, R., Kumawat, M. Cosmological Models with Variable G in C-Field Cosmology. Int J Theor Phys 50, 27–34 (2011). https://doi.org/10.1007/s10773-010-0489-9

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