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Density profiles and substructure of dark matter halos: converging results at ultra-high numerical resolution
Sebastiano Ghigna, Ben Moore, Fabio Governato +3
Can N-body simulations reliably determine the structural properties of dark matter halos? Focussing on a Virgo-sized galaxy cluster, we increase the resolution of current ``high re…
Dark Matter Substructure in Galactic Halos
Ben Moore, Sebastiano Ghigna, Fabio Governato +4
We use numerical simulations to examine the substructure within galactic and cluster mass halos that form within a hierarchical universe. Clusters are easily reproduced with a stee…
Cold collapse and the core catastrophe
Ben Moore, Tom Quinn, Fabio Governato +2
We show that a universe dominated by cold dark matter fails to reproduce the rotation curves of dark matter dominated galaxies, one of the key problems that it was designed to reso…
The fate of LSB galaxies in clusters and the origin of the diffuse intra-cluster light
Ben Moore, George Lake, Joachim Stadel +1
We follow the evolution of disk galaxies within a cluster that forms hierarchically in a standard cold dark matter N-body simulation. At a redshift z=0.5 we select several dark mat…