The GraS Hypothesis: a Model for Dark Matter-Baryons Gravitational Interaction

Details The GraS Hypothesis: a Model for Dark Matter-Baryons Gravitational Interaction The GraS Hypothesis: a Model for Dark Matter-Baryons Gravitational Interaction

2003-09-17

arxiv.org/abs/astro-ph/0309490v1

Astronomy and Astrophysics

Astrophysics

To be published in the proceedings of the Marseille 2003 meeting "Where Cosmology and Fundamental Physics Meet"

Scientific paper

According to the gravitational suppression (GraS) hypothesis the gravitational interaction between exotic (dark) and standard (visible) matter is suppressed below the kpc scales. We review the phenomenological motivations at the basis of this idea and its formal implementation by means of a Yukawa contribution to the usual Newtonian potential. We also discuss a class of astrophysical phenomena that may help in testing this scenario.

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