Phenomenological constraints on a scale-dependent gravitational coupling

Details Phenomenological constraints on a scale-dependent gravitational coupling Phenomenological constraints on a scale-dependent gravitational coupling

1995-12-26

arxiv.org/abs/hep-ph/9512431v1

Nucl.Phys.Proc.Suppl. 48 (1996) 122-127

Physics

High Energy Physics

High Energy Physics - Phenomenology

File macro (espcrc2.sty) attached at the end

Scientific paper

10.1016/0920-5632(96)00225-3

We investigate the astrophysical and cosmological implications of the recently proposed idea of a running gravitational coupling on macroscopic scales. We find that when applied to the rotation curves of galaxies, their flatness requires still the presence of dark matter. Bounds on the variation of the gravitational coupling from primordial nucleosynthesis, change of the period of binary pulsars, gravitational lensing and the cosmic virial theorem are analysed.

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