Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies
Abstract The standard Λ Cold Dark Matter (ΛCDM) cosmological model provides a good
description of a wide range of astrophysical and cosmological data. However, there are a …
description of a wide range of astrophysical and cosmological data. However, there are a …
The Aemulus Project. V. Cosmological Constraint from Small-scale Clustering of BOSS Galaxies
We analyze clustering measurements of BOSS galaxies using a simulation-based emulator
of two-point statistics. We focus on the monopole and quadrupole of the redshift-space …
of two-point statistics. We focus on the monopole and quadrupole of the redshift-space …
Constraints on S8 from a full-scale and full-shape analysis of redshift-space clustering and galaxy–galaxy lensing in BOSS
JU Lange, AP Hearin, A Leauthaud… - Monthly Notices of …, 2023 - academic.oup.com
We present a novel simulation-based cosmological analysis of galaxy–galaxy lensing and
galaxy redshift-space clustering. Compared to analysis methods based on perturbation …
galaxy redshift-space clustering. Compared to analysis methods based on perturbation …
The DESI one-per cent survey: exploring the halo occupation distribution of luminous red galaxies and quasi-stellar objects with AbacusSummit
We present the first comprehensive halo occupation distribution (HOD) analysis of the Dark
Energy Spectroscopic Instrument (DESI) One-Percent Survey luminous red galaxy (LRG) …
Energy Spectroscopic Instrument (DESI) One-Percent Survey luminous red galaxy (LRG) …
The bacco simulation project: bacco hybrid Lagrangian bias expansion model in redshift space
M Pellejero Ibañez, RE Angulo… - Monthly Notices of …, 2023 - academic.oup.com
We present an emulator that accurately predicts the power spectrum of galaxies in redshift
space as a function of cosmological parameters. Our emulator is based on a second-order …
space as a function of cosmological parameters. Our emulator is based on a second-order …
Full forward model of galaxy clustering statistics with AbacusSummit light cones
Novel summary statistics beyond the standard 2-point correlation function (2PCF) are
necessary to capture the full astrophysical and cosmological information from the small …
necessary to capture the full astrophysical and cosmological information from the small …
Local primordial non-Gaussianity from the large-scale clustering of photometric DESI luminous red galaxies
M Rezaie, AJ Ross, HJ Seo, H Kong… - Monthly Notices of …, 2024 - academic.oup.com
We use angular clustering of luminous red galaxies from the Dark Energy Spectroscopic
Instrument (DESI) imaging surveys to constrain the local primordial non-Gaussianity …
Instrument (DESI) imaging surveys to constrain the local primordial non-Gaussianity …
Field-level neural network emulator for cosmological N-body simulations
We build a field-level emulator for cosmic structure formation that is accurate in the nonlinear
regime. Our emulator consists of two convolutional neural networks trained to output the …
regime. Our emulator consists of two convolutional neural networks trained to output the …
Cosmological constraints from density-split clustering in the BOSS CMASS galaxy sample
E Paillas, C Cuesta-Lazaro, WJ Percival… - Monthly Notices of …, 2024 - academic.oup.com
We present a clustering analysis of the BOSS DR12 CMASS galaxy sample, combining
measurements of the galaxy two-point correlation function and density-split clustering down …
measurements of the galaxy two-point correlation function and density-split clustering down …
Robust cosmological inference from non-linear scales with k-th nearest neighbour statistics
We present the methodology for deriving accurate and reliable cosmological constraints
from non-linear scales (Mpc) with k-th nearest neighbour (k NN) statistics. We detail our …
from non-linear scales (Mpc) with k-th nearest neighbour (k NN) statistics. We detail our …