output
20082025
most citedFast and Accurate Modeling of Molecular Atomization Energies with Machine Learning

2.4k citations

Showing astro-ph.COShow all

5 papers · 1 filter

astro-ph.CO2020★ 22 cited

The Last Journey. I. An Extreme-Scale Simulation on the Mira Supercomputer

Katrin Heitmann, Nicholas Frontiere, Esteban Rangel +10

The Last Journey is a large-volume, gravity-only, cosmological N-body simulation evolving more than 1.24 trillion particles in a periodic box with a side-length of 5.025Gpc. It was…

astro-ph.CO2019★ 25 cited

HACC Cosmological Simulations: First Data Release

Katrin Heitmann, Thomas D. Uram, Hal Finkel +10

We describe the first major public data release from cosmological simulations carried out with Argonne's HACC code. This initial release covers a range of datasets from large gravi…

astro-ph.CO2018★ 15 cited

The importance of secondary halos for strong lensing in massive galaxy clusters across redshift

Nan Li, Michael D. Gladders, Katrin Heitmann +6

Cosmological cluster-scale strong gravitational lensing probes the mass distribution of the dense cores of massive dark matter halos and the structures along the line of sight from…

astro-ph.CO2013★ 103 cited

Cosmic Emulation: Fast Predictions for the Galaxy Power Spectrum

Juliana Kwan, Katrin Heitmann, Salman Habib +4

The halo occupation distribution (HOD) approach has proven to be an effective method for modeling galaxy clustering and bias. In this approach, galaxies of a given type are probabi…

astro-ph.CO2013★ 113 cited

Gravitational Waves from Oscillon Preheating

Shuang-Yong Zhou, Edmund J. Copeland, Richard Easther +3

Oscillons are long-lived, localized excitations of nonlinear scalar fields which may be copiously produced during preheating after inflation, leading to a possible oscillon-dominat…