The Distribution of Dark Matter in the Universe on Scales of 10^10 M_sun to 10^15 M_sun

Details The Distribution of Dark Matter in the Universe on Scales of 10^10 M_sun to 10^15 M_sun The Distribution of Dark Matter in the Universe on Scales of 10^10 M_sun to 10^15 M_sun

2004-06-07

arxiv.org/abs/astro-ph/0406174v1

Astronomy and Astrophysics

Astrophysics

4 pages, 5 figures, talk delivered at the Rencontres de Moriond - Cosmology: Exploring the Universe (La Thuile, 28 March - 4 A

Scientific paper

The use of parallel computers and increasingly sophisticated software has allowed us to perform a large suite of N-body simulations using from $10^8$,to $10^9$ particles. We will report on our recent convergence tests of the halo mass function, N-point correlation functions, power spectrum and pairwise velocity from very large high resolution treecode N-body simulations. Rather than basing results on just one or two large simulations, now one can investigate the role of different numerical and physical effects on the statistics used to characterize the mass distribution of the Universe.

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