Abstract
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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El-Nabulsi, A.R. Accelerated Brans-Dicke universe in higher-derivative induced gravity-like conformally coupling and dominated by Gauss-Bonnet dark energy. Astrophys Space Sci 331, 199–206 (2011). https://doi.org/10.1007/s10509-010-0379-x
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DOI: https://doi.org/10.1007/s10509-010-0379-x