Superinflation and quintessence in the presence of an extra field

Details Superinflation and quintessence in the presence of an extra field Superinflation and quintessence in the presence of an extra field

2002-10-26

arxiv.org/abs/gr-qc/0210090v1

Int.J.Theor.Phys. 41 (2002) 2037-2046

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

We discuss the implication of the introduction of an extra field to the dynamics of a scalar field conformally coupled to gravitation in a homogeneous isotropic spatially flat universe. We show that for some reasonable parameter values the dynamical effects are similar to those of our previous model with a single scalar field. Nevertheless for other parameter values new dynamical effects are obtained.

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