Search Results - "Emberson, J D"
-
1
-
2
Simulating Hydrodynamics in Cosmology with CRK-HACC
Published in The Astrophysical journal. Supplement series (01-02-2023)“…Abstract We introduce CRK-HACC, an extension of the Hardware/Hybrid Accelerated Cosmology Code (HACC), to resolve gas hydrodynamics in large-scale structure…”
Get full text
Journal Article -
3
THE OPACITY OF THE INTERGALACTIC MEDIUM DURING REIONIZATION: RESOLVING SMALL-SCALE STRUCTURE
Published in The Astrophysical journal (01-02-2013)“…Early in the reionization process, the intergalactic medium (IGM) would have been quite inhomogeneous on small scales, due to the low Jeans mass in the neutral…”
Get full text
Journal Article -
4
Numerical discreteness errors in multispecies cosmological N-body simulations
Published in Monthly notices of the Royal Astronomical Society (02-05-2023)“…ABSTRACT We present a detailed analysis of numerical discreteness errors in two-species, gravity-only, cosmological simulations using the density power…”
Get full text
Journal Article -
5
Measuring the evolution of intergalactic gas from z = 0 to 5 using the kinematic Sunyaev–Zel’dovich effect
Published in Monthly notices of the Royal Astronomical Society (01-05-2021)“…ABSTRACT A complete census of baryons in the late Universe is a long-standing challenge due to the intermediate temperate and rarefied character of the…”
Get full text
Journal Article -
6
Modelling the Lyman-α forest with Eulerian and SPH hydrodynamical methods
Published in Monthly notices of the Royal Astronomical Society (01-01-2023)“…ABSTRACT We compare two state-of-the-art numerical codes to study the overall accuracy in modelling the intergalactic medium and reproducing Lyman-α forest…”
Get full text
Journal Article -
7
On the road to per cent accuracy – III. Non-linear reaction of the matter power spectrum to massive neutrinos
Published in Monthly notices of the Royal Astronomical Society (01-01-2020)“…ABSTRACT We analytically model the non-linear effects induced by massive neutrinos on the total matter power spectrum using the halo model reaction framework…”
Get full text
Journal Article -
8
The Borg Cube Simulation: Cosmological Hydrodynamics with CRK-SPH
Published in The Astrophysical journal (01-06-2019)“…A challenging requirement posed by next-generation observations is a firm theoretical grasp of the impact of baryons on structure formation. Cosmological…”
Get full text
Journal Article -
9
Optimization and Quality Assessment of Baryon Pasting for Intracluster Gas using the Borg Cube Simulation
Published in The open journal of astrophysics (29-11-2023)Get full text
Journal Article -
10
Differential neutrino condensation onto cosmic structure
Published in Nature astronomy (01-07-2017)“…Astrophysical techniques have pioneered the discovery of neutrino mass properties. Currently, the known neutrino effects on the large-scale structure of the…”
Get full text
Journal Article -
11
EVOLUTION OF LOW MASS GALACTIC SUBHALOS AND DEPENDENCE ON CONCENTRATION
Published in The Astrophysical journal (10-10-2015)“…ABSTRACT We carry out a detailed study of the orbital dynamics and structural evolution of over 6000 subhalos in the Via Lactea II simulation, from infall to…”
Get full text
Journal Article -
12
Interpolation in waveform space: Enhancing the accuracy of gravitational waveform families using numerical relativity
Published in Physical review. D, Particles, fields, gravitation, and cosmology (05-02-2013)“…Matched filtering for the identification of compact object mergers in gravitational wave antenna data involves the comparison of the data stream to a bank of…”
Get full text
Journal Article -
13
Improving initialization and evolution accuracy of cosmological neutrino simulations
Published 10-06-2024“…JCAP Volume 2023, Issue 06, id.003, 34 pp Neutrino mass constraints are a primary focus of current and future large-scale structure (LSS) surveys. Non-linear…”
Get full text
Journal Article -
14
Numerical Discreteness Errors in Multi-Species Cosmological N-body Simulations
Published 18-04-2023“…We present a detailed analysis of numerical discreteness errors in two-species, gravity-only, cosmological simulations using the density power spectrum as a…”
Get full text
Journal Article -
15
Optimization and Quality Assessment of Baryon Pasting for Intracluster Gas using the Borg Cube Simulation
Published 27-11-2023“…Synthetic datasets generated from large-volume gravity-only simulations are an important tool in the calibration of cosmological analyses. Their creation often…”
Get full text
Journal Article -
16
Simulating Hydrodynamics in Cosmology with CRK-HACC
Published 22-11-2022“…We introduce CRK-HACC, an extension of the Hardware/Hybrid Accelerated Cosmology Code (HACC), to resolve gas hydrodynamics in large-scale structure formation…”
Get full text
Journal Article -
17
Measuring the evolution of intergalactic gas from z=0 to 5 using the kinematic Sunyaev-Zel'dovich effect
Published 03-12-2020“…A complete census of baryons in the late universe is a long-standing challenge due to the intermediate temperate and rarefied character of the majority of…”
Get full text
Journal Article -
18
On the road to percent accuracy III: non-linear reaction of the matter power spectrum to massive neutrinos
Published 20-11-2019“…We analytically model the non-linear effects induced by massive neutrinos on the total matter power spectrum using the halo model reaction framework of Cataneo…”
Get full text
Journal Article -
19
The Borg Cube Simulation: Cosmological Hydrodynamics with CRK-SPH
Published 03-06-2019“…ApJ, 877, 85, 2019 A challenging requirement posed by next-generation observations is a firm theoretical grasp of the impact of baryons on structure formation…”
Get full text
Journal Article -
20
Advances in ArborX to support exascale applications
Published in The international journal of high performance computing applications (08-11-2024)“…ArborX is a performance portable geometric search library developed as part of the Exascale Computing Project (ECP). In this paper, we explore a collaboration…”
Get full text
Journal Article