Qualitative analysis of a scalar-tensor theory with exponential potential

Details Qualitative analysis of a scalar-tensor theory with exponential potential Qualitative analysis of a scalar-tensor theory with exponential potential

2000-12-19

arxiv.org/abs/gr-qc/0012072v1

Int.J.Mod.Phys. A16 (2001) 4527-4542

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex file, 9 pages, 1 figure

Scientific paper

10.1142/S0217751X0100533X

A qualitative analysis of a scalar-tensor cosmological model, with an exponential potential for the scalar field, is performed. The phase diagram for the flat case is constructed. It is shown that solutions with an initial and final inflationary behaviour appear. The conditions for which the scenario favored by supernova type Ia observations becomes an attractor in the space of the solutions are established.

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