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The Physics of Galaxy Clustering. I. A Model for Subhalo Populations

The Physics of Galaxy Clustering. I. A Model for Subhalo Populations

(Abridged) We present a semi-analytic model for Cold Dark Matter halo substructure that can be used as a framework for studying galaxy formation and an ingredient in halo models of galaxy clustering. We perform a comprehensive comparison of the model to the results of a suite of high-resolution cosmological simulations. …