Quintessence with Coupled Scalar Fields

Details Quintessence with Coupled Scalar Fields Quintessence with Coupled Scalar Fields

2001-11-15

arxiv.org/abs/gr-qc/0111047v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Contribution to COSMO-01 Workshop, Rovaniemi, Finland, August 30 - September 4, 2001; 10 pages, 4 eps figures, LaTeX

Scientific paper

We discuss the dynamics of a quintessence model involving two coupled scalar fields. The model presents two types of solutions, namely solutions that correspond to eternal and transient acceleration of the universe. In both cases, we obtain values for the cosmological parameters that satisfy current observational bounds as well as the nucleosynthesis constraint on the quintessence energy density.

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