Populations of Subhalos in Cold Dark Matter Halos

Details Populations of Subhalos in Cold Dark Matter Halos Populations of Subhalos in Cold Dark Matter Halos

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006hegr.conf..125b&link_type=abstract

HIGH ENERGY GAMMA-RAY EXPERIMENTS. Proceedings of the Third Workshop on Science with the New Generation of. Held 30 May-1 June 2

Physics

Scientific paper

We discuss the main properties of substructures in the halos of galaxies. After having introduced a subhalo mass function, we consider a scenario in which the most promising candidates for halo dark matter are weakly interacting massive particles (WIMPs), and give an estimation of the cumulative enhancement in the gamma-ray signal from subhalos of a given mass in the halo of M31. A self-consistent analysis of the dynamical evolution of subhalos is approached, with a particular interest in the description of the effects of mass loss and orbital decay and their implications on the halo merging history.

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