Bianchi type-I cosmological models for binary mixture of perfect fluid and dark energy

Details Bianchi type-I cosmological models for binary mixture of perfect fluid and dark energy Bianchi type-I cosmological models for binary mixture of perfect fluid and dark energy

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.338..179t&link_type=abstract

Astrophysics and Space Science, Volume 338, Issue 1, pp.179-185

Astronomy and Astrophysics

Astrophysics

Bianchi Type-I, Perfect Fluid, Dark Energy

Scientific paper

We consider a self consistent system of Bianchi Type-I cosmology and Binary Mixture of perfect fluid and dark energy. The perfect fluid is taken to be obeying equations of state p PF = γρ PF with γ∈[0,1]. The dark energy is considered to be obeying a quintessence-like equation of state where the dark energy obeys equation of state p DE = ωρ DE where ω∈[-1,0]. Exact solutions to the corresponding Einstein field equations are obtained. Some special cases are discussed and studied. Further more power law models and exponential models are investigated.

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