Asymptotic freedom from induced gravity cosmology

Details Asymptotic freedom from induced gravity cosmology Asymptotic freedom from induced gravity cosmology

1996-05-23

arxiv.org/abs/gr-qc/9605051v1

Phys.Lett. A208 (1995) 214-222

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, Latex

Scientific paper

We give conditions to obtain cosmological asymptotic freedom in scalar-tensor theories of gravity. We show that this feature can be achieved in FRW flat spacetimes since we obtain singularity free solutions where the effective gravitational constant $G_{eff}\rightarrow 0$ for $t\rightarrow -\infty$ and, for some of them, $G_{eff}\rightarrow G_{N}$ for $t\rightarrow\infty$, where $G_{N}$ is the Newton constant.

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