On the phase-space structure of the Milky Way dark-matter halo

Details On the phase-space structure of the Milky Way dark-matter halo On the phase-space structure of the Milky Way dark-matter halo

2001-10-25

arxiv.org/abs/astro-ph/0110546v1

Astronomy and Astrophysics

Astrophysics

4 pages, 5 figures, uses dunk2001_asp.sty, to appear in "The Dynamics, Structure and History of Galaxies: A Workshop in Honour

Scientific paper

We analyse a high resolution simulation of the formation of a cluster's dark-matter halo in a $\Lambda$CDM cosmology (Springel et al. 2001). The resolution achieved allows us to map the phase-space structure in detail, and characterize its evolution and degree of lumpiness. Scaling down the cluster halo to a Milky-Way size halo, we probe the substructure expected in the solar neighbourhood. Here we specifically address the relevance of such substructure for direct detection experiments aimed at determining the nature of dark-matter.

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