Bianchi type-V cosmological models with perfect fluid and dark energy

Details Bianchi type-V cosmological models with perfect fluid and dark energy Bianchi type-V cosmological models with perfect fluid and dark energy

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ap%26ss.319..149s&link_type=abstract

Astrophysics and Space Science, Volume 319, Issue 2-4, pp. 149-154

Mathematics

Logic

7

Cosmological Models, Perfect Fluid, Dark Energy, Cosmological Parameters

Scientific paper

We consider a self-consistent system of Bianchi type-V cosmology and binary mixture of perfect fluid and dark energy. The perfect fluid is taken to be one obeying the usual equation of state p= γ ρ with γ∈[0,1]. The dark energy is considered to be either the quintessence or Chaplygin gas. Exact solutions to the corresponding Einstein equations are obtained as a quadrature. The cases of disordered radiation and models with power-law and exponential expansion have discussed in detail. For large t, the models tend to be isotropic.

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