A Class of Cosmological Solutions of Brans-Dicke Theory with Cosmological Constant

Details A Class of Cosmological Solutions of Brans-Dicke Theory with Cosmological Constant A Class of Cosmological Solutions of Brans-Dicke Theory with Cosmological Constant

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.226....1a&link_type=abstract

Astrophysics and Space Science, Volume 226, Issue 1, pp.1-5

Astronomy and Astrophysics

Astrophysics

4

Scientific paper

We present a class of exact cosmological solutions of Brans-Dicke (B-D) equations with cosmological constant in flat Robertson-Walker metric. These solutions are based on the relation øR n= constant between the B-D field and the scale factor of the universe. This relation turns out to be consistent with the equation of statep =mρ for the cosmic matter, provided thatn andm are suitably related to each other. Several special cases and asymptotic solutions are derived and discussed.

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