Search Results for author: Giuseppe Tormen

Found 2 papers, 1 papers with code

An improved model for the formation times of dark matter haloes

1 code implementation7 Nov 2006 Carlo Giocoli, Jorge Moreno, Ravi K. Sheth, Giuseppe Tormen

The standard estimate of this distribution depends on the shape of the conditional mass function--the distribution of progenitor masses of a halo as a function of time.

Numerical study of halo concentrations in dark-energy cosmologies

no code implementations29 Sep 2003 Klaus Dolag, Matthias Bartelmann, Francesca Perrotta, Carlo Baccigalupi, Lauro Moscardini, Massimo Meneghetti, Giuseppe Tormen

We study the concentration parameters, their mass dependence and redshift evolution, of dark-matter halos in different dark-energy cosmologies with constant and time-variable equation of state, and compare them with "standard'' Lambda-CDM and OCDM models.

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