Cosmological Models with Variable G in C-Field Cosmology

Details Cosmological Models with Variable G in C-Field Cosmology Cosmological Models with Variable G in C-Field Cosmology

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ijtp...50...27b&link_type=abstract

International Journal of Theoretical Physics, Volume 50, Issue 1, pp.27-34

Physics

Scientific paper

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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