Can hyperbolic phase of Brans-Dicke field account for Dark Matter?

Details Can hyperbolic phase of Brans-Dicke field account for Dark Matter? Can hyperbolic phase of Brans-Dicke field account for Dark Matter?

2008-04-07

arxiv.org/abs/0804.1085v3

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

We show that the introduction of a hyperbolic phase for Brans-Dicke (BD)
field results in a flat vacuum cosmological solution of Hubble parameter H and
fractional rate of change of BD scalar field, F which asymptotically approach
constant values. At late stages, hyperbolic phase of BD field behaves like dark
matter.

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