Large-scale dark matter simulations

RE Angulo, O Hahn - Living Reviews in Computational Astrophysics, 2022 - Springer
We review the field of collisionless numerical simulations for the large-scale structure of the
Universe. We start by providing the main set of equations solved by these simulations and …

Dark Energy Survey Year 3 results: Cosmology from cosmic shear and robustness to modeling uncertainty

LF Secco, S Samuroff, E Krause, B Jain, J Blazek… - Physical Review D, 2022 - APS
This work and its companion paper, Amon et al.[Phys. Rev. D 105, 023514 (2022) PRVDAQ
2470-0010 10.1103/PhysRevD. 105.023514], present cosmic shear measurements and …

Cosmology with the redshift-space galaxy bispectrum monopole at one-loop order

OHE Philcox, MM Ivanov, G Cabass, M Simonović… - Physical Review D, 2022 - APS
We study the cosmological information content of the redshift-space galaxy bispectrum
monopole at one-loop order in perturbation theory. We incorporate all effects necessary for …

Euclid preparation: IX. EuclidEmulator2 – power spectrum emulation with massive neutrinos and self-consistent dark energy perturbations

Euclid Collaboration, M Knabenhans… - Monthly Notices of …, 2021 - academic.oup.com
We present a new, updated version of the EuclidEmulator (called EuclidEmulator2), a fast
and accurate predictor for the nonlinear correction of the matter power spectrum. 2 per cent …

Precision analysis of the redshift-space galaxy bispectrum

MM Ivanov, OHE Philcox, T Nishimichi, M Simonović… - Physical Review D, 2022 - APS
We study the information content of the angle-averaged redshift space galaxy bispectrum.
The main novelty of our approach is the use of a systematic tree-level perturbation theory …

Euclid. I. Overview of the Euclid mission

Y Mellier, A Abdurroúf, JAA Barroso… - Astronomy & …, 2024 - aanda.org
The current standard model of cosmology successfully describes a variety of measurements,
but the nature of its main ingredients, dark matter and dark energy, remains unknown. is a …

Cosmological gravity probes: Connecting recent theoretical developments to forthcoming observations

S Arai, K Aoki, Y Chinone, R Kimura… - … of Theoretical and …, 2023 - academic.oup.com
Since the discovery of the accelerated expansion of the present universe, significant
theoretical developments have been made in the area of modified gravity. In the meantime …

A roadmap to cosmological parameter analysis with third-order shear statistics-I. Modelling and validation

S Heydenreich, L Linke, P Burger… - Astronomy & …, 2023 - aanda.org
In this work, which is the first of a series to prepare a cosmological parameter analysis with
third-order cosmic shear statistics, we model both the shear three-point correlation functions …

KiDS-1000 cosmology: Combined second-and third-order shear statistics

PA Burger, L Porth, S Heydenreich, L Linke… - Astronomy & …, 2024 - aanda.org
Aims. In this work, we perform the first cosmological parameter analysis of the fourth release
of Kilo Degree Survey (KiDS-1000) data with second-and third-order shear statistics. This …

Dark Energy Survey Year 3 Results: Three-point shear correlations and mass aperture moments

LF Secco, M Jarvis, B Jain, C Chang, M Gatti… - Physical Review D, 2022 - APS
We present high signal-to-noise measurements of three-point shear correlations and the
third moment of the mass aperture statistic using the first 3 years of data from the Dark …