consider a Bianchi type-I Polytropic bulk viscous fluid cosmological model with
variable G and Λ. To get a deterministic
model, it is assumed thatand , , , where is the pressure, ρ is the energy density, η is the coefficient of bulk viscosity, α, k, γ and ηo are
constants, H is Hubble constant, where k1 > 0, k2 > 0. The
solution obtained lead to inflationary phase and the results obtained match
with the observations  . The case n = 1 for α = 1 is also
discussed, relating the results with the observations.
Cite this paper
Tiwari, R. K. , Sharma, M. and Sharma, S. (2014). Polytropic Bulk Viscous Cosmological Model with Variable G and Λ. Open Access Library Journal, 1, e729. doi: http://dx.doi.org/10.4236/oalib.1100729.
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