Bill S. Wright
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View article: <i>Euclid</i> preparation
<i>Euclid</i> preparation Open
Context. The Euclid space satellite mission will measure the large-scale clustering of galaxies at an unprecedented precision, providing a unique probe of modifications to the ΛCDM model. Aims. We investigated the approximations needed to …
View article: Euclid preparation. Modelling spectroscopic clustering on mildly nonlinear scales in beyond-$Λ$CDM models
Euclid preparation. Modelling spectroscopic clustering on mildly nonlinear scales in beyond-$Λ$CDM models Open
We investigate the approximations needed to efficiently predict the large-scale clustering of matter and dark matter halos in beyond-$Λ$CDM scenarios. We examine the normal branch of the Dvali-Gabadadze-Porrati model, the Hu-Sawicki $f(R)$…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-figure)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-figure) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the data needed for generating all figures. See the main repository for detai…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-figure)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-figure) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the data needed for generating all figures. See the main repository for detai…
View article: Hi-COLA: fast, approximate simulations of structure formation in Horndeski gravity
Hi-COLA: fast, approximate simulations of structure formation in Horndeski gravity Open
We introduce Hi-COLA , a code designed to run fast, approximate N -body simulations of non-linear structure formation in reduced Horndeski gravity. Given an input Lagrangian, Hi-COLA dynamically constructs the appropriate field equations a…
View article: Constraints on modified gravity from the BOSS galaxy survey
Constraints on modified gravity from the BOSS galaxy survey Open
We develop a pipeline to set new constraints on scale-independent modified gravity, from the galaxy power spectrum in redshift space of BOSS DR12. The latter is modelled using the effective field theory of large-scale structure up to 1-loo…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data repository)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data repository) Open
This is the main repository for a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the scripts needed for generating all figures and power spectra, as …
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-HR-z0)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-HR-z0) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.15eV HR simulation at z = 0. See the m…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-HR)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-HR) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.0eV HR simulation. See the main reposi…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-HR)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-HR) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.0eV HR simulation. See the main reposi…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-HR-z1)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-HR-z1) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.15eV HR simulation at z = 1. See the m…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-1024Mpc-z1)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-1024Mpc-z1) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.15eV 1024Mpc simulation at z = 1. See …
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-HR-z1)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.15eV-HR-z1) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.15eV HR simulation at z = 1. See the m…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-HR)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-HR) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the initial condition data for the HR simulations. See the main repository fo…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-figure)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-figure) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the data needed for generating all figures. See the main repository for detai…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-1024Mpc)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-1024Mpc) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.0eV 1024Mpc simulation. See the main r…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-HR)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-HR) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the initial condition data for the HR simulations. See the main repository fo…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-1024Mpc)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-0.0eV-1024Mpc) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the 0.0eV 1024Mpc simulation. See the main r…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-fiducial)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-fiducial) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the fiducial simulations. See the main repos…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-1024Mpc)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-1024Mpc) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the initial condition data for the 1024Mpc simulations. See the main reposito…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-fiducial)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-fiducial) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the initial condition data for the fiducial simulations as well as the primor…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-1024Mpc)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-1024Mpc) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the initial condition data for the 1024Mpc simulations. See the main reposito…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-fiducial)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-snapshot-fiducial) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the simulation snapshot data for the fiducial simulations. See the main repos…
View article: Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-fiducial)
Euclid: Modelling massive neutrinos in cosmology — a code comparison (data record: data-ic-fiducial) Open
This record is part of a distributed data set associated with the paper ‘Euclid: Modelling massive neutrinos in cosmology — a code comparison’. This record holds the initial condition data for the fiducial simulations as well as the primor…
View article: $\texttt{Hi-COLA}$: Fast, approximate simulations of structure formation in Horndeski gravity
$\texttt{Hi-COLA}$: Fast, approximate simulations of structure formation in Horndeski gravity Open
We introduce $\texttt{Hi-COLA}$, a code designed to run fast, approximate $\textit{N}$-body simulations of non-linear structure formation in reduced Horndeski gravity. Given an input Lagrangian, $\texttt{Hi-COLA}$ dynamically constructs th…
View article: Euclid : modelling massive neutrinos in cosmology — a code comparison
Euclid : modelling massive neutrinos in cosmology — a code comparison Open
The measurement of the absolute neutrino mass scale from cosmological\nlarge-scale clustering data is one of the key science goals of the Euclid\nmission. Such a measurement relies on precise modelling of the impact of\nneutrinos on struct…
View article: On the road to per cent accuracy – V. The non-linear power spectrum beyond ΛCDM with massive neutrinos and baryonic feedback
On the road to per cent accuracy – V. The non-linear power spectrum beyond ΛCDM with massive neutrinos and baryonic feedback Open
In the context of forthcoming galaxy surveys, to ensure unbiased constraints on cosmology and gravity when using non-linear structure information, per cent-level accuracy is required when modelling the power spectrum. This calls for framew…
View article: Constraining the time variation of Newton's constant<i>G</i>with gravitational-wave standard sirens and supernovae
Constraining the time variation of Newton's constant<i>G</i>with gravitational-wave standard sirens and supernovae Open
The intrinsic peak luminosity of Type Ia supernovae (SNIa) depends on the value of Newton's gravitational constant G, through the Chandrasekhar mass MCh∝ G−3/2. If the luminosity distance can be independently determined, the SNIa can be tr…
View article: Type Ia supernovae, standardizable candles, and gravity
Type Ia supernovae, standardizable candles, and gravity Open
Type Ia supernovae (SNIe) are generally accepted to act as standardisable\ncandles, and their use in cosmology led to the first confirmation of the as yet\nunexplained accelerated cosmic expansion. Many of the theoretical models to\nexplai…
View article: COLA with scale-dependent growth: applications to screened modified gravity models
COLA with scale-dependent growth: applications to screened modified gravity models Open
We present a general parallelized and easy-to-use code to perform numerical simulations of structure formation using the COLA (COmoving Lagrangian Acceleration) method for cosmological models that exhibit scale-dependent growth at the leve…