Blanchet, Luc

Institut d'Astrophysique de Paris

Talk Title

Gravitational Theory and Dark Matter


The standard model for dark matter (coined cold-dark-matter) is extremely successful at large cosmological scales. However, when extrapolated at the smaller scales of galaxies, it faces a number of severe challenges. Dark matter at these scales is better explained by MOND (MOdified Newtonian Dynamics) which originally supposes a violation of the Newtonian law of gravity without dark matter. In this talk we first show that the phenomenology of MOND could result from dark matter, but endowed by a certain type of gravitational dipole moments polarized in the gravitational field of ordinary matter.


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