Astrophysics for the Dark Universe: Cosmological simulations in the context of dark matter and dark energy research

Publications

Peer reviewed articles (35)

Fast simulations of cosmic large-scale structure with massive neutrinos

Author(s): Christian Partmann, Christian Fidler, Cornelius Rampf, Oliver Hahn
Published in: Journal of Cosmology and Astroparticle Physics, 2020/09, 2020, Page(s) 018-018, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2020/09/018

Higher order initial conditions for mixed baryon–CDM simulations

Author(s): Oliver Hahn, Cornelius Rampf, Cora Uhlemann
Published in: Monthly Notices of the Royal Astronomical Society, 503/1, 2021, Page(s) 426-445, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa3773

Non-Halo Structures and their Effects on Gravitational Lensing

Author(s): T R G Richardson; J Stücker; R E Angulo; O Hahn
Published in: Monthly Notices of the Royal Astronomical Society, 13652966, 2022, Page(s) 6019-6032, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.48550/arxiv.2101.07806

The AGORA High-resolution Galaxy Simulations Comparison Project. III. Cosmological Zoom-in Simulation of a Milky Way–mass Halo

Author(s): Santi Roca-Fàbrega, Ji-hoon Kim, Loic Hausammann, Kentaro Nagamine, Alessandro Lupi, Johnny W. Powell, Ikkoh Shimizu, Daniel Ceverino, Joel R. Primack, Thomas R. Quinn, Yves Revaz, Héctor Velázquez, Tom Abel, Michael Buehlmann, Avishai Dekel, Bili Dong, Oliver Hahn, Cameron Hummels, Ki-won Kim, Britton D. Smith, Clayton Strawn, Romain Teyssier, Matthew J. Turk
Published in: The Astrophysical Journal, 917/2, 2021, Page(s) 64, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ac088a

Eye of the tyger: Early-time resonances and singularities in the inviscid Burgers equation

Author(s): Rampf, Cornelius; Frisch, Uriel; Hahn, Oliver
Published in: Physical Review Fluids, 2469990X, 2022, Page(s) 104610, ISSN 2469-990X
Publisher: American Physical Society
DOI: 10.1103/physrevfluids.7.104610

Cosmic rays and thermal instability in self-regulating cooling flows of massive galaxy clusters

Author(s): Ricarda S. Beckmann, Yohan Dubois, Alisson Pellissier, Valeria Olivares, Fiorella L. Polles, Oliver Hahn, Pierre Guillard, Matthew D. Lehnert
Published in: Astronomy & Astrophysics, 14320746, 2022, ISSN 1432-0746
Publisher: European Southern Observatory
DOI: 10.1051/0004-6361/202142527

Accelerated orbital decay of supermassive black hole binaries in merging nuclear star clusters

Author(s): Go Ogiya, Oliver Hahn, Chiara M F Mingarelli, Marta Volonteri
Published in: Monthly Notices of the Royal Astronomical Society, 493/3, 2020, Page(s) 3676-3689, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa444

Intrinsic alignments in IllustrisTNG and their implications for weak lensing: Tidal shearing and tidal torquing mechanisms put to the test

Author(s): Jolanta Zjupa; Björn Malte Schäfer; Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society, 13652966, 2022, Page(s) 2049-2072, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stac042

Measuring the tidal response of structure formation: anisotropic separate universe simulations using treepm

Author(s): Jens Stücker, Andreas S Schmidt, Simon D M White, Fabian Schmidt, Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society, 503/1, 2021, Page(s) 1473-1489, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab473

Shell-crossing in a ΛCDM Universe

Author(s): Cornelius Rampf, Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society: Letters, 501/1, 2021, Page(s) L71-L75, ISSN 1745-3933
Publisher: Blackwell Publishing
DOI: 10.1093/mnrasl/slaa198

Simulating the complexity of the dark matter sheet II: halo and subhalo mass functions for non-cold dark matter models

Author(s): Jens Stücker; Raul E. Angulo; Raul E. Angulo; Oliver Hahn; Simon D. M. White
Published in: Monthly Notices of the Royal Astronomical Society, 13652966, 2022, Page(s) 1703-1719, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stab3078

Large-scale dark matter simulations

Author(s): Raul E. Angulo; Oliver Hahn
Published in: Living Reviews in Computational Astrophysics, 23650524, 2022, Page(s) 200p, ISSN 2365-0524
Publisher: Springer Nature
DOI: 10.1007/s41115-021-00013-z

Disruption of dark matter substructure: fact or fiction?

Author(s): Frank C van den Bosch, Go Ogiya, Oliver Hahn, Andreas Burkert
Published in: Monthly Notices of the Royal Astronomical Society, 474/3, 2017, Page(s) 3043-3066, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx2956

Universal Dark Halo Scaling Relation for the Dwarf Spheroidal Satellites

Author(s): Kohei Hayashi, Tomoaki Ishiyama, Go Ogiya, Masashi Chiba, Shigeki Inoue, Masao Mori
Published in: The Astrophysical Journal, 843/2, 2017, Page(s) 97, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aa74d9

The dependence of galaxy clustering on tidal environment in the Sloan Digital Sky Survey

Author(s): Aseem Paranjape, Oliver Hahn, Ravi K Sheth
Published in: Monthly Notices of the Royal Astronomical Society, 476/4, 2018, Page(s) 5442-5452, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty633

Dark matter substructure in numerical simulations: a tale of discreteness noise, runaway instabilities, and artificial disruption

Author(s): Frank C van den Bosch, Go Ogiya
Published in: Monthly Notices of the Royal Astronomical Society, 475/3, 2018, Page(s) 4066-4087, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty084

Halo assembly bias and the tidal anisotropy of the local halo environment

Author(s): Aseem Paranjape, Oliver Hahn, Ravi K Sheth
Published in: Monthly Notices of the Royal Astronomical Society, 476/3, 2018, Page(s) 3631-3647, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty496

What sets the central structure of dark matter haloes?

Author(s): Go Ogiya, Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society, 473/4, 2017, Page(s) 4339-4359, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx2639

Two is better than one: joint statistics of density and velocity in concentric spheres as a cosmological probe

Author(s): C. Uhlemann, S. Codis, O. Hahn, C. Pichon, F. Bernardeau
Published in: Monthly Notices of the Royal Astronomical Society, 469/2, 2017, Page(s) 2481-2497, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx969

Substructure and merger detection in resolved NIKA Sunyaev-Zel’dovich images of distant clusters

Author(s): R. Adam, O. Hahn, F. Ruppin, P. Ade, P. André, M. Arnaud, I. Bartalucci, A. Beelen, A. Benoît, A. Bideaud, N. Billot, O. Bourrion, M. Calvo, A. Catalano, G. Coiffard, B. Comis, A. D’Addabbo, F.-X. Désert, S. Doyle, C. Ferrari, J. Goupy, C. Kramer, G. Lagache, S. Leclercq, J.-F. Lestrade, J. F. Macías-Pérez, G. Martinez Aviles, D. Martizzi, S. Maurogordato, P. Mauskopf, F. Mayet, A. Monfardi
Published in: Astronomy & Astrophysics, 614, 2018, Page(s) A118, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201731950

DASH: a library of dynamical subhalo evolution

Author(s): Go Ogiya, Frank C van den Bosch, Oliver Hahn, Sheridan B Green, Tim B Miller, Andreas Burkert
Published in: Monthly Notices of the Royal Astronomical Society, 485/1, 2019, Page(s) 189-202, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz375

Large-scale velocity dispersion and the cosmic web

Author(s): Michael Buehlmann, Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society, 487/1, 2019, Page(s) 228-245, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz1243

Semiclassical path to cosmic large-scale structure

Author(s): Cora Uhlemann, Cornelius Rampf, Mateja Gosenca, Oliver Hahn
Published in: Physical Review D, 99/8, 2019, Page(s) 083524, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.99.083524

Tidal stripping as a possible origin of the ultra diffuse galaxy lacking dark matter

Author(s): Go Ogiya
Published in: Monthly Notices of the Royal Astronomical Society: Letters, 480/1, 2018, Page(s) L106-L110, ISSN 1745-3933
Publisher: Blackwell Publishing
DOI: 10.1093/mnrasl/sly138

Analytical growth functions for cosmic structures in a $\Lambda$CDM Universe

Author(s): Cornelius Rampf; Sonja Ornella Schobesberger; Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society, 13652966, 2022, Page(s) 2840-2850, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stac2406

Gas accretion and galactic fountain flows in the Auriga cosmological simulations: angular momentum and metal redistribution

Author(s): Robert J J Grand, Freeke van de Voort, Jolanta Zjupa, Francesca Fragkoudi, Facundo A Gómez, Guinevere Kauffmann, Federico Marinacci, Rüdiger Pakmor, Volker Springel, Simon D M White
Published in: Monthly Notices of the Royal Astronomical Society, 490/4, 2019, Page(s) 4786-4803, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz2928

The XXL Survey

Author(s): M. Ricci, R. Adam, D. Eckert, P. Ade, P. André, A. Andrianasolo, B. Altieri, H. Aussel, A. Beelen, C. Benoist, A. Benoît, S. Berta, A. Bideaud, M. Birkinshaw, O. Bourrion, D. Boutigny, M. Bremer, M. Calvo, A. Cappi, L. Chiappetti, A. Catalano, M. De Petris, F.-X. Désert, S. Doyle, E. F. C. Driessen, L. Faccioli, C. Ferrari, S. Fotopoulou, F. Gastaldello, P. Giles, A. Gomez, J. Goupy, O. Hahn, C
Published in: Astronomy & Astrophysics, 642, 2020, Page(s) A126, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201937249

Dynamical self-friction: how mass loss slows you down

Author(s): Tim B Miller, Frank C van den Bosch, Sheridan B Green, Go Ogiya
Published in: Monthly Notices of the Royal Astronomical Society, 495/4, 2020, Page(s) 4496-4507, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa1450

A hierarchical field-level inference approach to reconstruction from sparse Lyman- α forest data

Author(s): Natalia Porqueres, Oliver Hahn, Jens Jasche, Guilhem Lavaux
Published in: Astronomy & Astrophysics, 642, 2020, Page(s) A139, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038482

Cosmic web anisotropy is the primary indicator of halo assembly bias

Author(s): Sujatha Ramakrishnan, Aseem Paranjape, Oliver Hahn, Ravi K Sheth
Published in: Monthly Notices of the Royal Astronomical Society, 489/3, 2019, Page(s) 2977-2996, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz2344

Cosmological perturbations for two cold fluids in ΛCDM

Author(s): Cornelius Rampf, Cora Uhlemann, Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society, 503/1, 2021, Page(s) 406-425, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa3605

Unveiling the singular dynamics in the cosmic large-scale structure

Author(s): Cornelius Rampf, Uriel Frisch, Oliver Hahn
Published in: Monthly Notices of the Royal Astronomical Society: Letters, 505/1, 2021, Page(s) L90-L94, ISSN 1745-3933
Publisher: Blackwell Publishing
DOI: 10.1093/mnrasl/slab053

Quantifying the impact of baryon-CDM perturbations on halo clustering and baryon fraction

Author(s): Hasti Khoraminezhad, Titouan Lazeyras, Raul E. Angulo, Oliver Hahn, Matteo Viel
Published in: Journal of Cosmology and Astroparticle Physics, 2021/03, 2021, Page(s) 023, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2021/03/023

Accurate initial conditions for cosmological N -body simulations: minimizing truncation and discreteness errors

Author(s): Michaël Michaux, Oliver Hahn, Cornelius Rampf, Raul E Angulo
Published in: Monthly Notices of the Royal Astronomical Society, 500/1, 2020, Page(s) 663-683, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa3149

Simulating the complexity of the dark matter sheet I: numerical algorithms

Author(s): Jens Stücker, Oliver Hahn, Raul E Angulo, Simon D M White
Published in: Monthly Notices of the Royal Astronomical Society, 495/4, 2020, Page(s) 4943-4964, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa1468

Thesis dissertations (3)

Following the collapse and evolution of cosmological structures in simulations

Author(s): Bühlmann, Michael
Published in: PhD thesis. COMUE Université Côte d'Azur, 4, 2019
Publisher: COMUE Université Côte d'Azur

The impact of baryonic physics on galaxy clusters in cosmological hydrodynamical simulations

Author(s): Alisson Pellissier
Published in: PhD thesis. COMUE Université Côte d'Azur, 2021
Publisher: Université de la Côte d'Azur

High-order methods for numerical cosmological simulations

Author(s): Michaël Michaux
Published in: PhD thesis. University of Vienna, 2021
Publisher: University of Vienna