36 citations · 185 across the 6 of their papers we have counts for
6 papers · 1 filter
The impact of halo shapes on the bispectrum in cosmology
R. E. Smith, P. I. R. Watts, R. K. Sheth
(Abridged) We use the triaxial halo model of Smith & Watts to investigate the impact of dark matter halo shapes on the bispectrum. Analytic expressions are derived and evaluated th…
Universal Behavior of Phase Correlations in Non-linear Gravitational Clustering
Peter Watts, Peter Coles, Adrian Melott
The large-scale structure of the Universe is thought to evolve by a process of gravitational amplification from low-amplitude Gaussian noise generated in the early Universe. The la…
Statistical Cosmology with Quadratic Density Fields
Peter Watts, Peter Coles
Primordial fluctuations in the cosmic density are usually assumed to take the form of a Gaussian random field that evolves under the action of gravitational instability. In the ear…
Parameter information from nonlinear cosmological fields
Andy Taylor, Peter Watts
We develop a general formalism for analysing parameter information from non-Gaussian cosmic fields. The method can be adapted to include the nonlinear effects in galaxy redshift su…
Evolution of the probability distribution function of galaxies in redshift-space
Peter Watts, Andrew Taylor
We present a new analytic calculation for the redshift-space evolution of the 1-point galaxy Probability Distribution Function (PDF). The nonlinear evolution of the matter density…
Evolution of the cosmological density distribution function
Andrew Taylor, Peter Watts
We present a new calculation for the evolution of the 1-point Probability Distribution Function (PDF) of the cosmological density field based on an exact statistical treatment. Usi…