Role of a scalar field in the radiation dominated epoch of the development of the universe

Details Role of a scalar field in the radiation dominated epoch of the development of the universe Role of a scalar field in the radiation dominated epoch of the development of the universe

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ap.....51..121a&link_type=abstract

Astrophysics, Volume 51, Issue 1, pp.121-129

Mathematics

Logic

1

Cosmology, Cosmological Scalar, Dark Energy, Accelerating Expansion

Scientific paper

The recently discovered accelerated expansion of the universe is of current interest in theoretical research on the evolution of the universe. The cause of this behavior is presumably the presence of dark energy, which has been estimated to form up to 70% of the universe and generates a “repulsive force.” In this paper a cosmological model is constructed which takes the dark energy into account in a Jordan-Brans-Dicke tensor-scalar model with a dominant, nonminimally coupled scalar field in the presence of a cosmological scalar. The radiation dominant epoch is discussed.

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