Bounce Conditions in f(R) Cosmologies

Details Bounce Conditions in f(R) Cosmologies Bounce Conditions in f(R) Cosmologies

2005-10-31

arxiv.org/abs/gr-qc/0510130v1

Class.Quant.Grav. 23 (2006) 1913-1922

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages LaTeX

Scientific paper

10.1088/0264-9381/23/6/006

We investigate the conditions for a bounce to occur in Friedmann-Robertson-Walker cosmologies for the class of fourth order gravity theories. The general bounce criterion is determined and constraints on the parameters of three specific models are given in order to obtain bounces solutions. It is found that unlike the case of General Relativity, a bounce appears to be possible in open and flat cosmologies.

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