Viscous Cosmologies with Modified Chaplygin Gas

International Journal of Applied Physics

© 2016 by SSRG - IJAP Journal

Volume 3 Issue 1

Year of Publication : 2016

Authors : P. S. Debnath, B. C. Paul

10.14445/23500301/IJAP-V3I2P101

How to Cite?

P. S. Debnath, B. C. Paul, "Viscous Cosmologies with Modified Chaplygin Gas," SSRG International Journal of Applied Physics, vol. 3,  no. 1, pp. 1-7, 2016. Crossref, https://doi.org/10.14445/23500301/IJAP-V3I2P101

Abstract:

We present an analysis of the dynamics of cosmological models based on Einstein's general theory of relativity with viscous Modified Chaplygin gas. The evolution of the universe is explored considering the imperfect fluid described by Eckart, truncated Israel and Stewart theories. A number of cosmological models are obtained and found to admit interesting features accommodating the present accelerating phase in addition to early inflationary phase with intermediate deceleration phase of the universe. In the matter dominated universe with viscous Chaplygin gas a new solution is obtained here which is interesting. The stability of the cosmological solutions is also studied.

Keywords:

98.80. Cq, dark energy, viscosity, cosmology, chaplygin gas.

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