Tilted Bianchi Type I Cosmological Models for Barotropic Perfect Fluid in General Relativity

Details Tilted Bianchi Type I Cosmological Models for Barotropic Perfect Fluid in General Relativity Tilted Bianchi Type I Cosmological Models for Barotropic Perfect Fluid in General Relativity

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ap%26ss.293..367b&link_type=abstract

Astrophysics and Space Science, v. 293, Issue 4, p. 367-380 (2004).

Mathematics

Logic

2

Tilted, Cosmological Models, Barotropic Fluid

Scientific paper

In this paper, we have investigated that tilted Bianchi Type I cosmological models for stiff perfect fluid under a supplementary condition A = B n between metric potentials, is not possible. The tilted solution is also not possible when we assume A = t ℓ, B = t m , C = t n ; ℓ, m and n are constants for ɛ = p. Thus to preserve tilted nature of model, we assume p = γɛ, 0 ≤ γ ≤ 1 (barotropic equation of state) for the case A = t ℓ B = t m and C = t n . The physical and geometrical aspects of the models are also discussed.

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