Phase space solutions in scalar-tensor cosmological models
AUTOR(ES)
Souza, José C. C. de, Saa, Alberto
FONTE
Brazilian Journal of Physics
DATA DE PUBLICAÇÃO
2005-12
RESUMO
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 w 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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