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The Population of Dark Matter Subhaloes: Mass Functions and Average Mass Loss Rates
Carlo Giocoli, Giuseppe Tormen, Frank C. van den Bosch
Using a cosmological N-Body simulation and a sample of re-simulated cluster-like haloes, we study the mass loss rates of dark matter subhaloes, and interpret the mass function of s…
Analytical Approach to Subhaloes Population in Dark Matter Haloes
Carlo Giocoli, Lidia Pieri, Giuseppe Tormen
In the standard model of cosmic structure formation, dark matter haloes form by gravitational instability. The process is hierarchical: smaller systems collapse earlier, and later…
Dark matter halo creation in moving barrier models
Jorge Moreno, Carlo Giocoli, Ravi K. Sheth
In hierarchical models, the time derivative of the halo mass function may be thought of as the difference of two terms - a creation term, which describes the increase in the number…
Merger history trees of dark matter haloes in moving barrier models
Jorge Moreno, Carlo Giocoli, Ravi K. Sheth
We present an algorithm for generating merger histories of dark matter haloes. The algorithm is based on the excursion set approach with moving barriers whose shape is motivated by…