401 citations · 3.6k across the 126 of their papers we have counts for
5 papers · 1 filter
Precision cosmology with a wide area XMM cluster survey
M. Pierre, F. Pacaud, J. B. Juin +3
We explore the cosmological constraints expected from wide area XMM-type cluster surveys covering 50-200 deg2, under realistic observing conditions. We perform a Fisher matrix anal…
Density fields and halo mass functions in the Geometrical Adhesion toy Model
Patrick Valageas, Francis Bernardeau
In dimension 2 and above, the Burgers dynamics, the so-called "adhesion model" in cosmology, can actually give rise to several dynamics in the inviscid limit. We investigate here t…
Large-scale bias of dark matter halos
Patrick Valageas
We build a simple analytical model for the bias of dark matter halos that applies to objects defined by an arbitrary density threshold, $200\leq\deltas\leq 1600$, and that provides…
Combining perturbation theories with halo models
Patrick Valageas, Takahiro Nishimichi
We investigate the building of unified models that can predict the matter-density power spectrum and the two-point correlation function from very large to small scales, being consi…
Impact of shell crossing and scope of perturbative approaches in real and redshift space
Patrick Valageas
We study the effect of nonperturbative corrections associated with the behavior of particles after shell crossing on the matter power spectrum. We compare their amplitude with the…