A late time acceleration of the universe with two scalar fields : many possibilities

Details A late time acceleration of the universe with two scalar fields : many possibilities A late time acceleration of the universe with two scalar fields : many possibilities

2006-05-19

arxiv.org/abs/gr-qc/0605110v1

Mod.Phys.Lett. A21 (2006) 2663-2670

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, no figures. Accepted for publication in Mod. Phys. Lett. A

Scientific paper

10.1142/S0217732306020676

In the present work, an attempt has been made to explain the recent cosmic acceleration with two mutually interacting scalar fields, one being the Brans-Dicke scalar field and the other a quintessence scalar field. Conditions have been derived for which the quintessence scalar field has an early oscillation and it grows during a later time to govern the dynamics of the universe.

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