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Dark matter halo concentrations in the <i>Wilkinson Microwave Anisotropy Probe</i> year 5 cosmology
We use a combination of three large N-body simulations to investigate the dependence of dark matter halo concentrations on halo mass and redshift in the WMAP year 5 cosmology. The median relation between concentration and mass is adequately described by a power-law for halo masses in the range 10^11 - …