Phase space solutions in scalar-tensor cosmological models

Details Phase space solutions in scalar-tensor cosmological models Phase space solutions in scalar-tensor cosmological models

2005-10-31

arxiv.org/abs/gr-qc/0510128v1

Braz.J.Phys. 35 (2005) 1041-1043

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

revtex, 2 pages, 4 eps figures, to appear in Brazilian Journal of Physics (proceedings of the Conference 100 Years of Relativi

Scientific paper

An analysis of the solutions for the field equations of generalized scalar-tensor theories of gravitation is performed through the study of the geometry of the phase space and the stability of the solutions, with special interest in the Brans-Dicke model. Particularly, we believe to be possible to find suitable forms of the Brans-Dicke parameter omega and potential V of the scalar field, using the dynamical systems approach, in such a way that they can be fitted in the present observed scenario of the Universe.

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