A cosmological test for general relativity
arXiv:astro-ph/0509774
Abstract
The effect of spatial variations of the Newton constant on the cosmic microwave background is studied. Constraints on the strong equivalence principle violation at the recombination time are then obtained with the help of WMAP data and of the standard theory of big-bang nucleosynthesis.
Proceedings of the International Conference on Cosmoparticle Physics "Cosmion-2004", 20-24 September 2004, Paris
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