Phase-Space Evolution of Dark Matter Halos

Details Phase-Space Evolution of Dark Matter Halos Phase-Space Evolution of Dark Matter Halos

2007-01-10

arxiv.org/abs/astro-ph/0701292v2

Astronomy and Astrophysics

Astrophysics

submitted to A&A

Scientific paper

(Context) In a Universe dominated by dark matter, halos are continuously accreting mass (violently or not) and such mechanism affects their dynamical state. (Aims) The evolution of dark matter halos in phase-space, and using the phase-space density indicator Q=rho/sigma^3 as a tracer, is discussed. (Methods) We have performed cosmological N-body simulations from which we have carried a detailed study of the evolution of ~35 dark halos in the interval 0

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