Viscous fluid cosmology with a cosmological constant |
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Authors: | C P Singh Suresh Kumar |
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Institution: | (1) Department of Applied Mathematics, Delhi College of Engineering, Bawana Road, Delhi, 110 042, India |
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Abstract: | Exact solutions of the field equations for a Bianchi type-I space-time, filled with a viscous fluid and cosmological constant,
are obtained. We utilize the constancy of deceleration parameter to get singular and non-singular solutions. We investigate
a number of solutions with constant and time-varying cosmological constant together with a linear relation between shear viscosity
and expansion scalar. Due to dissipative processes, the mean anisotropy and shear of the model tend to zero at a faster rate. |
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Keywords: | |
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