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Research Paper | Astronomy Science | India | Volume 3 Issue 9, September 2014
Bulk Viscous Higher Dimensional FRW Cosmological Model with Variable Gravitational Constant and Cosmological Constant in General Relativity
Reena Behal, Harpreet Kaur, D. P. Shukla
Abstract: In this paper we study higher dimensional homogeneous and isotropic FRW viscous cosmological model with variable G and. We obtain solutions of the field equations assuming that the cosmological term is proportional to H2 (where H is a Hubble constant) and bulk viscosity proportional to H. From equation (19), we conclude that as t then R. Implies due to bulk viscosity the model has no singularity and universe is accelerating if A=0. Recent observational data (Knop et al. [70]; Riess et al. [71, 72]; Spergel et al. [73]; Tegmark et al. [74]; Perlmutter et al. [75] strongly suggest this acceleration occurs. Finally, the solutions presented in the paper are new and useful for a better understanding of the evolution of the universe in F-R-W space-time with variable G and.
Keywords: F-R-W Cosmological model, Hubble Constants, Gravitational Constant and Cosmological Constants
Edition: Volume 3 Issue 9, September 2014,
Pages: 236 - 239
How to Cite this Article?
Reena Behal, Harpreet Kaur, D. P. Shukla, "Bulk Viscous Higher Dimensional FRW Cosmological Model with Variable Gravitational Constant and Cosmological Constant in General Relativity", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SEP14101, Volume 3 Issue 9, September 2014, 236 - 239
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