Branes at low energy
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Brane models at low energy are described by an effective action involving gravity and two moduli fields associated with the brane positions. The scalar-tensor nature of the effective theory and the coupling to matter are explicitly spelt out. We discuss the post-Newtonian gravitational constraints on the models, some applications to quintessence and the variations of constants.
5 pages, one figure; contribution to the proceedings of the Marseille conference "Where cosmology and fundamental physics meet"
5 pages, one figure; contribution to the proceedings of the Marseille conference "Where cosmology and fundamental physics meet"