NFW Galactic Profiles in the Newtonian Limit of Scalar-Tensor Theories

Details NFW Galactic Profiles in the Newtonian Limit of Scalar-Tensor Theories NFW Galactic Profiles in the Newtonian Limit of Scalar-Tensor Theories

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005tmgm.meet.2386r&link_type=abstract

The Tenth Marcel Grossmann Meeting. Proceedings of the MG10 Meeting held at Brazilian Center for Research in Physics (CBPF), Rio

Physics

Scientific paper

We study the dynamics of spherical galaxies with the Navarro-Frenk-White (NFW) density profile within the Newtonian limit of scalar-tensor theories of gravity. The scalar field is described by a modified Helmholtz equation with a source and it is coupled to the Poisson equation of standard Newtonian gravity. The net gravitational force is given by two contributions: one coming from the standard Newtonian potential and other coming from the massive scalar fields. We found general solutions for spherical systems, and in particular, we obtain results for the potential-density pairs and other relevant quantities of galactic spherical systems with the NFW density profile.

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