Can (dG/dt)/G Bound the Local Cosmological Dynamics?

Details Can (dG/dt)/G Bound the Local Cosmological Dynamics? Can (dG/dt)/G Bound the Local Cosmological Dynamics?

2006-10-09

arxiv.org/abs/gr-qc/0610035v1

Phys.Rev.Lett. 98 (2007) 059001

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

REVTeX4, 1 page

Scientific paper

10.1103/PhysRevLett.98.059001

It is argued that constraints on time variation of the gravitational constant
(dG/dt)/G, e.g. derived from the lunar laser ranging, cannot be immediately
applied to restrict the cosmological expansion at planetary scales, as it was
done by Williams, Turyshev, and Boggs [PRL, 93, 261101 (2004),
arXiv:gr-qc/0411113].

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