An anisotropic cosmological model in a scalar-tensor theory of gravitation

Details An anisotropic cosmological model in a scalar-tensor theory of gravitation An anisotropic cosmological model in a scalar-tensor theory of gravitation

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.135..287r&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 135, no. 2, July 1987, p. 287-290.

Astronomy and Astrophysics

Astrophysics

Anisotropy, Astronomical Models, Cosmology, Gravitation Theory, Scalars, Tensors, Density Distribution, Energy Distribution, Gravitational Fields, Ideal Fluids, Pressure Distribution

Scientific paper

It is found that a spatially-homogeneous anisotropic-cosmological model in the scalar-tensor theory of Sen and Dunn (1971) is obtained when the source of the gravitational field is a perfect fluid with pressure equal to energy density and when the metric is of Bianchi type-I. Properties of the model, such as the anisotropic expansion of the universe, are discussed. It is noted that when p1 = 0, the model reduces to the general relativity case with the scalar field phi = 0.

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