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Related papers: The New Horizon Run Cosmological N-Body Simulation…

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In support of the new Sloan III survey, which will measure the baryon oscillation scale using the luminous red galaxies (LRGs), we have run the largest N-body simulation to date using $4120^3 = 69.9$ billion particles, and covering a volume…

Astrophysics · Physics 2011-02-11 Juhan Kim , Changbom Park , J. Richard Gott , John Dubinski

Upcoming cosmological surveys have the potential to reach groundbreaking discoveries on multiple fronts, including the neutrino mass, dark energy, and inflation. Most of the key science goals require the joint analysis of datasets from…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-12 Adrian E. Bayer , Yici Zhong , Zack Li , Joseph DeRose , Yu Feng , Jia Liu

The Horizon Run 4 is a cosmological $N$-body simulation designed for the study of coupled evolution between galaxies and large-scale structures of the Universe, and for the test of galaxy formation models. Using $6300^3$ gravitating…

Cosmology and Nongalactic Astrophysics · Physics 2017-11-15 Juhan Kim , Changbom Park , Benjamin L'Huillier , Sungwook E. Hong

We intend to make sets of cosmological simulations available, with a large number of different output times that may be placed side-by-side to produce a complete history of the universe stretching back to high redshift. Currently there is…

Astrophysics · Physics 2007-05-23 P. A. Thomas , H. M. P. Couchman , F. R. Pearce

In this paper we describe the set of ``New Worlds Simulations'', three very large cosmology simulations, Qo'noS, Vulcan, and Ferenginar, that were carried out on the Summit supercomputer with the Hardware/Hybrid Cosmology Code, HACC. The…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-12 Katrin Heitmann , Thomas Uram , Nicholas Frontiere , Salman Habib , Adrian Pope , Silvio Rizzi , Joe Insley

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation which captures the properties of the Universe on a Gpc scale while achieving a resolution of 1kpc. Inside the simulation box we zoom-in on a high-resolution cuboid region with…

We demonstrate that the output of a cosmological N-body simulation can, to remarkable accuracy, be scaled to represent the growth of large-scale structure in a cosmology with parameters similar to but different from those originally…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Raul E. Angulo , Simon D. M. White

We present a public data release of halo catalogs from a suite of 125 cosmological $N$-body simulations from the Abacus project. The simulations span 40 $w$CDM cosmologies centered on the Planck 2015 cosmology at two mass resolutions,…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-13 Lehman H. Garrison , Daniel J. Eisenstein , Douglas Ferrer , Jeremy L. Tinker , Philip A. Pinto , David H. Weinberg

Cosmological simulations of galaxy formation are limited by finite computational resources. We draw from the ongoing rapid advances in Artificial Intelligence (specifically Deep Learning) to address this problem. Neural networks have been…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-10 Yin Li , Yueying Ni , Rupert A. C. Croft , Tiziana Di Matteo , Simeon Bird , Yu Feng

We apply and test a field-level emulator for non-linear cosmic structure formation in a volume matching next-generation surveys. Inferring the cosmological parameters and initial conditions from which the particular galaxy distribution of…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-20 Matthew T. Scoggins , Matthew Ho , Francisco Villaescusa-Navarro , Drew Jamieson , Ludvig Doeser , Greg L. Bryan

We present the evolution of dark matter halos in six large cosmological N-body simulations, called the $\nu^2$GC (New Numerical Galaxy Catalog) simulations on the basis of the LCDM cosmology consistent with observational results obtained by…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-06 Tomoaki Ishiyama , Motohiro Enoki , Masakazu A. R. Kobayashi , Ryu Makiya , Masahiro Nagashima , Taira Oogi

We introduce the Lomonosov suite of high-resolution N-body cosmological simulations covering a full box of size 32 $h^{-1}$ Mpc with low-mass resolution particles ($2\times10^7$ $h^{-1}\,M_\odot$) and three zoom-in simulations of overdense,…

Cosmology and Nongalactic Astrophysics · Physics 2017-09-07 Sergey V. Pilipenko , Miguel A. Sánchez-Conde , Francisco Prada , Gustavo Yepes

The particle mass used in cosmology N-body simulations is close to $10^{8}M_{\odot}$, which is about $10^{65}$ times larger than the GeV scale expected in particle physics. However, self-gravity interacting particle systems made up of…

Cosmology and Nongalactic Astrophysics · Physics 2015-11-20 Weike Xiao , Xufen Wu

We study the Physically Self Bound Cold Dark Matter Halo distribution which we associate with the massive galaxies within the Horizon Run 3 to estimate the accuracy in determination of the cosmological distance scale measured by the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Robert Speare , J. Richard Gott , Juhan Kim , Changbom Park

The distribution of cosmological neutral hydrogen will provide a new window into the large-scale structure of the Universe with the next generation of radio telescopes and surveys. The observation of this material, through 21cm line…

Cosmology and Nongalactic Astrophysics · Physics 2020-08-28 Jacobo Asorey , David Parkinson , Feng Shi , Yong-Seon Song , Kyungjin Ahn , Juhan Kim , Jian Yao , Le Zhang , Shifan Zuo

We introduce a new set of large N-body runs, the MICE simulations, that provide a unique combination of very large cosmological volumes with good mass resolution. They follow the gravitational evolution of ~ 8.5 billion particles (2048^3)…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Martin Crocce , Pablo Fosalba , Francisco J. Castander , Enrique Gaztanaga

Modeling large-scale sky survey observations is a key driver for the continuing development of high resolution, large-volume, cosmological simulations. We report the first results from the 'Q Continuum' cosmological N-body simulation run…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-09 Katrin Heitmann , Nicholas Frontiere , Chris Sewell , Salman Habib , Adrian Pope , Hal Finkel , Silvio Rizzi , Joe Insley , Suman Bhattacharya

We describe the Outer Rim cosmological simulation, one of the largest high-resolution N-body simulations performed to date, aimed at promoting science to be carried out with large-scale structure surveys. The simulation covers a volume of…

Understanding of the structure evolution in the Universe has been greatly advanced with a rapid progress in high-resolution cosmological simulations. In this contribution, we report a new set of cosmological simulations with $512^3$ ($\sim…

Astrophysics · Physics 2007-05-23 Y. P. Jing , Yasushi Suto

The Dark Sky Simulations are an ongoing series of cosmological N-body simulations designed to provide a quantitative and accessible model of the evolution of the large-scale Universe. Such models are essential for many aspects of the study…

Cosmology and Nongalactic Astrophysics · Physics 2014-07-10 Samuel W. Skillman , Michael S. Warren , Matthew J. Turk , Risa H. Wechsler , Daniel E. Holz , P. M. Sutter
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