1 code implementation • 29 Jul 2020 • Mike Shengbo Wang, Santiago Avila, Davide Bianchi, Robert Crittenden, Will J. Percival
Future precision cosmology from large-scale structure experiments including the Dark Energy Spectroscopic Instrument (DESI) and Euclid will probe wider and deeper cosmic volumes than those covered by previous surveys.
Cosmology and Nongalactic Astrophysics
1 code implementation • 11 Jun 2014 • Guido W. Pettinari, Christian Fidler, Robert Crittenden, Kazuya Koyama, Antony Lewis, David Wands
We find that the presence of the intrinsic bispectrum will bias a measurement of primordial non-Gaussianity of local type by $f_{NL}^\text{bias}=0. 66$ for an ideal experiment with $\ell_\text{max}=3000$.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology
no code implementations • 14 Jan 2014 • Christian Fidler, Guido W. Pettinari, Martin Beneke, Robert Crittenden, Kazuya Koyama, David Wands
The intrinsic B-mode polarisation is present independent of the initial conditions and might contaminate the signal from primordial gravitational waves.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology
1 code implementation • 4 Feb 2013 • Guido W. Pettinari, Christian Fidler, Robert Crittenden, Kazuya Koyama, David Wands
We develop a new, efficient code for solving the second-order Einstein-Boltzmann equations, and use it to estimate the intrinsic CMB non-Gaussianity arising from the non-linear evolution of density perturbations.
Cosmology and Nongalactic Astrophysics High Energy Physics - Theory
