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The distribution of gas-phase metals within galaxies encodes the impact of stellar feedback on galactic evolution. At high-redshift, when galaxies are rapidly assembling, feedback-driven outflows and turbulence can strongly reshape radial…

Despite containing about a half of the total matter in the Universe, at most wavelengths the filamentary structure of the cosmic web is difficult to observe. In this work, we use large unigrid cosmological simulations to investigate how the…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-17 Claudio Gheller , Franco Vazza , Marcus Brueggen , Mehmet Alpaslan , Benne Willem Holwerda , Andrew Hopkins , Jochen Liske

This work presents a study of galactic outflows driven by stellar feedback. We extract main sequence disc galaxies with stellar mass $10^9\le$ M$_{\star}/$M$_{\odot} \le 5.7\times10^{10}$ at redshift $z=0$ from the highest resolution…

We test if the cosmological zoom-in simulations of isolated galaxies from the FIRE project reproduce the properties of ultra diffuse galaxies. We show that stellar feedback-generated outflows that dynamically heat galactic stars, together…

We present full volume cosmological simulations using the moving-mesh code AREPO to study the coevolution of dust and galaxies. We extend the dust model in AREPO to include thermal sputtering of grains and investigate the evolution of the…

Astrophysics of Galaxies · Physics 2017-05-25 Ryan McKinnon , Paul Torrey , Mark Vogelsberger , Christopher C. Hayward , Federico Marinacci

Galaxy simulations have come a long way from the early days of simple N-body calculations, which considered only gravitational interactions, to the complex, multi-physics models used today. Beginning with initial conditions representative…

Astrophysics of Galaxies · Physics 2025-07-15 Robert Feldmann , Rebekka Bieri

A timely combination of new theoretical ideas and observational discoveries has brought about significant advances in our understanding of cosmic evolution. Computer simulations have played a key role in these developments by providing the…

Astrophysics · Physics 2010-12-09 Carlos S. Frenk

Using three-dimensional cosmological simulations, we study the assembly process of one of the first galaxies, with a total mass of 10^8 M_sun, collapsing at z = 10. Our main goal is to trace the transport of the heavy chemical elements…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Thomas H. Greif , Simon C. O. Glover , Volker Bromm , Ralf S. Klessen

Cosmological simulations are fundamental tools to study structure formation and the astrophysics of evolving structures, in particular clusters of galaxies. While hydrodynamical simulations cannot sample efficiently large volumes and…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-01 Fabio Zandanel , Mattia Fornasa , Francisco Prada , Thomas H. Reiprich , Florian Pacaud , Anatoly Klypin

Recent spatially resolved observations of galaxies at z=0.6-3 reveal that high-redshift galaxies show complex kinematics and a broad distribution of gas-phase metallicity gradients. To understand these results, we use a suite of…

Astrophysics of Galaxies · Physics 2018-04-18 Xiangcheng Ma , Philip F. Hopkins , Robert Feldmann , Paul Torrey , Claude-Andre Faucher-Giguere , Dusan Keres

In this paper we introduce the Farpoint simulation, the latest member of the Hardware/Hybrid Accelerated Cosmology Code (HACC) gravity-only simulation family. The domain covers a volume of (1000$h^{-1}$Mpc)$^3$ and evolves close to two…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-01 Nicholas Frontiere , Katrin Heitmann , Esteban Rangel , Patricia Larsen , Adrian Pope , Imran Sultan , Thomas Uram , Salman Habib , Silvio Rizzi , Joe Insley

We present the BACCO project, a simulation framework specially designed to provide highly-accurate predictions for the distribution of mass, galaxies, and gas as a function of cosmological parameters. In this paper, we describe our main…

Cosmology and Nongalactic Astrophysics · Physics 2021-08-04 Raul E. Angulo , Matteo Zennaro , Sergio Contreras , Giovanni Aricò , Marcos Pellejero-Ibañez , Jens Stücker

We present a novel framework to self-consistently model the effects of radiation fields, dust physics and molecular chemistry (H$_2$) in the interstellar medium (ISM) of galaxies. The model combines a state-of-the-art radiation…

We present results of high resolution hydrodynamical simulations of the formation and evolution of dwarf galaxies. Our simulations start from cosmological initial conditions at high redshift. They include metal-dependent cooling, star…

Astrophysics of Galaxies · Physics 2015-05-13 Till Sawala , Cecilia Scannapieco , Umberto Maio , Simon D. M. White

We present a new stellar feedback model that reproduces superbubbles. Superbubbles from clustered young stars evolve quite differently to individual supernovae and are substantially more efficient at generating gas motions. The essential…

Astrophysics of Galaxies · Physics 2014-07-17 B. W. Keller , J. Wadsley , S. M. Benincasa , H. M. P Couchman

Many observed massive star-forming z\approx2 galaxies are large disks that exhibit irregular morphologies, with \sim1kpc, \sim10^(8-10)Msun clumps. We present the largest sample to date of high-resolution cosmological SPH simulations that…

Central starbursts and Active Galactic Nuclei (AGN) are thought to be fueled by either galaxy interactions or secular processes in gravitationally unstable discs. We employ cosmological hydrodynamic simulations from the Feedback in…

Previous simulations of the growth of cosmic structures have broadly reproduced the 'cosmic web' of galaxies that we see in the Universe, but failed to create a mixed population of elliptical and spiral galaxies due to numerical…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 Mark Vogelsberger , Shy Genel , Volker Springel , Paul Torrey , Debora Sijacki , Dandan Xu , Gregory F. Snyder , Simeon Bird , Dylan Nelson , Lars Hernquist

The characterisation of the atomic and molecular hydrogen content of high-redshift galaxies is a major observational challenge that will be addressed over the coming years with a new generation of radio telescopes. We investigate this…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-13 Alan R. Duffy , Scott T. Kay , Richard A. Battye , C. M. Booth , Claudio Dalla Vecchia , Joop Schaye

Increasingly large populations of disk galaxies are now being observed at increasingly high redshifts, providing new constraints on our knowledge of how such galaxies evolve. Are these observations consistent with a cosmology in which…

Astrophysics · Physics 2009-11-13 C. B. Brook , D. Kawata , H. Martel , B. K. Gibson , J. Bailin