Exact Brans-Dicke-Bianchi type-VII(h) perfect fluid solutions

Details Exact Brans-Dicke-Bianchi type-VII(h) perfect fluid solutions Exact Brans-Dicke-Bianchi type-VII(h) perfect fluid solutions

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.152..171g&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 152, no. 1, Feb. 1989, p. 171-173.

Astronomy and Astrophysics

Astrophysics

5

Astronomical Models, Cosmology, Inviscid Flow, Axes Of Rotation, Metric Space, Roots Of Equations

Scientific paper

Exact perfect fluid solutions are obtained for the Brans-Dicke-Bianchi type VII(h) model (Ryan and Shapley, 1975). The rescaled method of Chauvet and Guzman (1986) is used under the assumption of locally rotational symmetry. For the stiff matter case, a singularity is found for t = 0 and the solution is different than that obtained by Lorentz-Petzold (1984). Exact cosmological solutions for an arbitrary barotropic perfect fluid are found by the introduction of a power law for the cosmic scale functions Ri = R sub i(t).

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