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Kantowski-Sachsplane symmetric models are investigated in bimetric theory of gravitationproposed by Rosen 1 in the context of bulk viscous fluid. Taking conservation law and theequation of state, two different models of the universe are obtained. It isobserved that Kantowski-Sachs vacuum model obtained in first case and bulkviscous fluid model obtained in second case. It is also observed that the bulkviscous cosmological model always represents an accelerated universe andconsistent with the recent observations of type-1a supernovae. Some physicaland geometrical features of the viscous fluid model are studied.


Bimetric Theory, Viscous Fluid, Kantowski-Sachs

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Sahu, R. , Misra, S. and Behera, B. 2015 On Kantowski-Sachs Viscous Fluid Model in Bimetric Relativity. International Journal of Astronomy and Astrophysics, 5, 47-55. doi: 10.4236-ijaa.2015.51007.

Autor: R. C. Sahu1*, S. P. Misra2, B. Behera3

Fuente: http://www.scirp.org/


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