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The redshift dependence of the structure of massive LCDM halos
Liang Gao, Julio F. Navarro, Shaun Cole +5
(Abridged) We use two very large cosmological simulations to study how the density profiles of relaxed LCDM dark halos depend on redshift and on halo mass. We confirm that these pr…
The statistical properties of LCDM halo formation
Shaun Cole, John Helly, Carlos S. Frenk +1
We present a comparison of the statistical properties of dark matter halo merger trees extracted from the Millennium Simulation with Extended Press-Schechter (EPS) formalism and th…
Constraints on sigma_8 from galaxy clustering in N-body simulations and semi-analytic models
Geraint Harker, Shaun Cole, Adrian Jenkins
We generate mock galaxy catalogues for a grid of different cosmologies, using rescaled N-body simulations in tandem with a semi-analytic model run using consistent parameters. Beca…
Generating Dark Matter Halo Merger Trees
Hannah Parkinson, Shaun Cole, John Helly
We present a new Monte-Carlo algorithm to generate merger trees describing the formation history of dark matter halos. The algorithm is a modification of the algorithm of Cole et a…
The statistics of LCDM Halo Concentrations
Angelo F. Neto, Liang Gao, Philip Bett +6
We use the Millennium Simulation (MS) to study the statistics of LCDM halo concentrations at z = 0. Our results confirm that the average halo concentration declines monotonically w…
Measuring the Baryon Acoustic Oscillation scale using the SDSS and 2dFGRS
Will J. Percival, Shaun Cole, Daniel J. Eisenstein +4
We introduce a method to constrain general cosmological models using Baryon Acoustic Oscillation (BAO) distance measurements from galaxy samples covering different redshift ranges,…