134 citations · 732 across the 26 of their papers we have counts for
26 papers
Euclid: Constraining linearly scale-independent modifications of gravity with the spectroscopic and photometric primary probes
N. Frusciante, F. Pace, V. F. Cardone +127
The future Euclid space satellite mission will offer an invaluable opportunity to constrain modifications to Einstein's general relativity at cosmic scales. We focus on modified gr…
Euclid: Modelling massive neutrinos in cosmology -- a code comparison
J. Adamek, R. E. Angulo, C. Arnold +133
The measurement of the absolute neutrino mass scale from cosmological large-scale clustering data is one of the key science goals of the Euclid mission. Such a measurement relies o…
Modified gravity approaches to the cosmological constant problem
The FADE Collaboration, Heliudson Bernardo, Benjamin Bose +5
The cosmological constant and its phenomenology remain among the greatest puzzles in theoretical physics. We review how modifications of Einstein's general relativity could allevia…
Fast and accurate predictions of the nonlinear matter power spectrum for general models of Dark Energy and Modified Gravity
B. Bose, M. Tsedrik, J. Kennedy +3
We embed linear and nonlinear parametrisations of beyond standard cosmological physics in the halo model reaction framework, providing a model-independent prescription for the nonl…
DEMNUni: comparing nonlinear power spectra prescriptions in the presence of massive neutrinos and dynamical dark energy
G. Parimbelli, C. Carbone, J. Bel +4
We provide an accurate comparison, against large cosmological -body simulations, of different prescriptions for modelling nonlinear matter power spectra in the presence of massi…
On the road to percent accuracy VI: the nonlinear power spectrum for interacting dark energy with baryonic feedback and massive neutrinos
Pedro Carrilho, Karim Carrion, Benjamin Bose +4
Understanding nonlinear structure formation is crucial for fully exploring the data generated by stage IV surveys, requiring accurate modelling of the power spectrum. This is chall…
Interacting dark energy from redshift-space galaxy clustering
Pedro Carrilho, Chiara Moretti, Benjamin Bose +2
Interacting dark energy models have been proposed as attractive alternatives to CDM. Forthcoming Stage-IV galaxy clustering surveys will constrain these models, but they require…
On the road to percent accuracy V: the non-linear power spectrum beyond CDM with massive neutrinos and baryonic feedback
Benjamin Bose, Bill S. Wright, Matteo Cataneo +7
In the context of forthcoming galaxy surveys, to ensure unbiased constraints on cosmology and gravity when using non-linear structure information, percent-level accuracy is require…
Seeking New Physics in Cosmology with Bayesian Neural Networks: Dark Energy and Modified Gravity
Michele Mancarella, Joe Kennedy, Benjamin Bose +1
We study the potential of Bayesian Neural Networks (BNNs) to detect new physics in the dark matter power spectrum, concentrating here on evolving dark energy and modifications to G…
Baryogenesis through Asymmetric Hawking Radiation from Primordial Black Holes as Dark Matter
Alexis Boudon, Benjamin Bose, Hyat Huang +1
We examine the extent to which primordial black holes (PBHs) can constitute the observed dark matter while also giving rise to the measured matter-antimatter asymmetry and account…
KiDS-1000 Cosmology: constraints beyond flat CDM
Tilman Tröster, Marika Asgari, Chris Blake +26
We present constraints on extensions to the flat CDM cosmological model by varying the spatial curvature , the sum of the neutrino masses , the dark energy equati…
Easing cosmic tensions with an open and hotter universe
Benjamin Bose, Lucas Lombriser
Despite the great observational success of the standard cosmological model some discrepancies in the inferred parameter constraints have manifested among a number of cosmological d…
On the road to percent accuracy IV: ReACT -- computing the non-linear power spectrum beyond CDM
Benjamin Bose, Matteo Cataneo, Tilman Tröster +3
To effectively exploit large-scale structure surveys, we depend on accurate and reliable predictions of non-linear cosmological structure formation. Tools for efficient and compreh…
Hybrid : general, unified, non-linear matter power spectrum in redshift space
Benjamin Bose, Hans A. Winther, Alkistis Pourtsidou +4
Constraints on gravity and cosmology will greatly benefit from performing joint clustering and weak lensing analyses on large-scale structure data sets. Utilising non-linear inform…
Modelling the matter bispectrum at small scales in modified gravity
Benjamin Bose, Joyce Byun, Fabien Lacasa +2
Future large-scale structure surveys will measure three-point statistics with high statistical significance. This will offer significant improvements on our understanding of gravit…
Non-linear contributions to angular power spectra
Mona Jalilvand, Basundhara Ghosh, Elisabetta Majerotto +3
Future galaxy clustering surveys will probe small scales where non-linearities become important. Since the number of modes accessible on intermediate to small scales is very high,…
Assessing non-linear models for galaxy clustering II: model validation and forecasts for Stage IV surveys
Benjamin Bose, Alkistis Pourtsidou, Katarina Markovič +1
Accurate modelling of non-linear scales in galaxy clustering will be crucial for data analysis of Stage IV galaxy surveys. A selection of competing non-linear models must be made b…
Assessing non-linear models for galaxy clustering I: unbiased growth forecasts from multipole expansion
Katarina Markovic, Benjamin Bose, Alkistis Pourtsidou
We assess the performance of the Taruya, Nishimichi and Saito (TNS) model for the halo redshift space power spectrum, focusing on utilising mildly non-linear scales to constrain th…
CMB lensing bi-spectrum: assessing analytical predictions against full-sky lensing simulations
Toshiya Namikawa, Benjamin Bose, François R. Bouchet +2
Cosmic microwave background (CMB) lensing is an integrated effect whose kernel is greater than half the peak value in the range . Measuring this effect offers a powerful too…
The one-loop matter bispectrum as a probe of gravity and dark energy
Benjamin Bose, Atsushi Taruya
Gravity-induced non-Gaussianity in the large-scale structure of the Universe, characterised by higher-order statistics such as the bispectrum (three-point cumulant), is expected to…
Cosmological Tests of Gravity
Benjamin Bose
Modifications to gravity can provide attractive alternatives to the dark components of the standard model of cosmology. These modifications to general relativity (GR) must be hidde…
Towards Precision Constraints on Gravity with the Effective Field Theory of Large-Scale Structure
Benjamin Bose, Kazuya Koyama, Matthew Lewandowski +2
We compare analytical computations with numerical simulations for dark-matter clustering, in general relativity and in the normal branch of DGP gravity (nDGP). Our analytical frame…
Modelling Non-Linear Effects of Dark Energy
Benjamin Bose, Marco Baldi, Alkistis Pourtsidou
We investigate the capabilities of perturbation theory in capturing non-linear effects of dark energy. We test constant and evolving models, as well as models involving momentu…
Revealing modified gravity signal in matter and halo hierarchical clustering
Wojciech A. Hellwing, Kazuya Koyama, Benjamin Bose +1
We use a set of N-body simulations employing a modified gravity (MG) model with Vainshtein screening to study matter and halo hierarchical clustering. As test-case scenarios we con…