Accelerated Brans-Dicke universe in higher-derivative induced gravity-like conformally coupling and dominated by Gauss-Bonnet dark energy

Details Accelerated Brans-Dicke universe in higher-derivative induced gravity-like conformally coupling and dominated by Gauss-Bonnet dark energy Accelerated Brans-Dicke universe in higher-derivative induced gravity-like conformally coupling and dominated by Gauss-Bonnet dark energy

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.331..199e&link_type=abstract

Astrophysics and Space Science, Volume 331, Issue 1, pp.199-206

Astronomy and Astrophysics

Astrophysics

1

Brans-Dicke Cosmology, Conformal Coupling, Gauss-Bonnet Invariant Term, Dark Energy, Accelerated Expansion

Scientific paper

We investigate the late-time dynamics of a four-dimensional universe based on the effective action of a Brans-Dicke scalar field in the presence of the matter source term, conformal coupling of the scalar curvature to the scalar field, a dynamical cosmological constant and Gauss-Bonnet higher-order terms in the scalar curvature. Many new interesting features are revealed and discussed in some details.

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