Structure of dark matter halos from hierarchical clustering. II. Dependence of cosmological models in cluster-sized halos

We investigate the structure of the dark matter halos formed in three different cold dark matter scenarios using N-body simulations of 13 cluster-sized halos. With the resolution of our simulations, the density pro. le is reliable down to similar to1% of the virial radius. In all runs, density cusps proportional to r(-1.5) developed down to the reliable limit. This result was independent of the cosmological models we simulated. We could not reproduce the cusp shallower than r(-1.5), which was obtained in some previous studies.