Coincidence Problem in $f(R)$ Gravity Models

Details Coincidence Problem in $f(R)$ Gravity Models Coincidence Problem in $f(R)$ Gravity Models

2010-12-02

arxiv.org/abs/1012.0405v1

Phys.Rev.D82:124041,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, 2 figures. To appear in Physical Review D

Scientific paper

10.1103/PhysRevD.82.124041

The $f(R)$ gravity models formulated in Einstein conformal frame are
equivalent to Einstein gravity together with a minimally coupled scalar field.
The scalar field couples with the matter sector and the coupling term is given
by the conformal factor. We use this interacting model to derive a necessary
condition for alleviating the coincidence problem.

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