Cosmological Models in Certain Scalar-Tensor Theories

Details Cosmological Models in Certain Scalar-Tensor Theories Cosmological Models in Certain Scalar-Tensor Theories

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.234..325r&link_type=abstract

Astrophysics and Space Science, Volume 234, Issue 2, pp.325-334

Astronomy and Astrophysics

Astrophysics

8

Scientific paper

Exact solutions of Einstein field equations are obtained in the scalar-tensor theories developed by Saez and Ballester (1985) and Lau and Prokhovnik (1986) when the line-element has the form ds^2 = exp left( {2h} right)dt^2 - exp left( {2A} right)left( {dx^2 + dy^2 } right) - exp left( {2B} right)dz^2 whereh, A andB are functions oft only. The solutions are spatially homogeneous, locally rotationally symmetric and admit a Bianchi I group of motions on hypersurfacest = constant. The dynamical behaviours of these models have also been discussed.

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