An interacting scalar field and the recent cosmic acceleration

Abstract

In this paper it is shown that the Brans - Dicke scalar field itself can serve the purpose of providing an early deceleration and a late time acceleration of the universe without any need of quintessence field if one considers an interaction, i.e, transfer of energy between the dark matter and the Brans - Dicke scalar field.

10 pages, 2 figures

References in corpus (1)

• WMAP constraints on low redshift evolution of dark energy

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