Hans Arnold Winther

Associate Professor - Kosmologi

Norwegian version of this page

Email h.a.winther@astro.uio.no

Phone +47 22857525

Room 101

Username

Visiting address Sem Sælands vei 13 Svein Rosselands hus 0371 Oslo

Postal address Postboks 1029 Blindern 0315 Oslo

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Personal website

https://www.wintherscoming.no/

Academic interests

Theoretical cosmology, numerical cosmology, simulations of structure formation, galaxy surveys, cosmic voids, dark matter, dark energy.

Courses taught

AST1010 (Fall 2019, Fall 2020)
AST5220 / AST9420 (Spring 2020, Spring 2021)

Background

PhD ITA UiO 2013

Postdoc University of Oxford 2013-2016

Postdoc ICG University of Portsmouth 2016-2019

Mauland-Hus, Renate; Winther, Hans Arnold & Ruan, Cheng-Zong (2024). Sesame: A power spectrum emulator pipeline for beyond-ΛCDM models. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 685. doi: 10.1051/0004-6361/202347892. Full text in Research Archive
Ballardini, M.; Akrami, Y.; Finelli, F.; Karagiannis, D.; Li, Baojiu & Li, Y. [Show all 129 contributors for this article] (2024). Euclid: The search for primordial features. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 683. doi: 10.1051/0004-6361/202348162. Full text in Research Archive
Adamek, J.; Angulo, R. E.; Arnold, C.; Baldi, Marco; Biagetti, M. & Bose, B. [Show all 133 contributors for this article] (2023). Euclid: modelling massive neutrinos in cosmology - a code comparison. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2023(6). doi: 10.1088/1475-7516/2023/06/035. Full text in Research Archive
Radinovic, Sladana; Nadathur, S.; Winther, Hans Arnold; Percival, W.J.; Woodfinden, A. & Massara, E. [Show all 121 contributors for this article] (2023). Euclid: Cosmology forecasts from the void-galaxy cross-correlation function with reconstruction. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 677. doi: 10.1051/0004-6361/202346121. Full text in Research Archive
Woodfinden, Alex; Percival, Will J.; Nadathur, Seshadri; Winther, Hans Arnold; Fraser, T.S. & Massara, Elena [Show all 8 contributors for this article] (2023). Cosmological measurements from void-galaxy and galaxy-galaxy clustering in the Sloan Digital Sky Survey. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 523(4), p. 6360–6370. doi: 10.1093/mnras/stad1725. Full text in Research Archive
Mauland-Hus, Renate; Elgarøy, Øystein; Mota, David & Winther, Hans Arnold (2023). The void-galaxy cross-correlation function with massive neutrinos and modified gravity. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 674. doi: 10.1051/0004-6361/202346287. Full text in Research Archive
Brando, Guilherme; Koyama, Kazuya & Winther, Hans Arnold (2023). Revisiting Vainshtein screening for fast N-body simulations. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2023(6). doi: 10.1088/1475-7516/2023/06/045. Full text in Research Archive
Lyall, Stuart; Blake, Chris; Turner, Ryan; Ruggeri, Rossana & Winther, Hans Arnold (2022). Testing modified gravity scenarios with direct peculiar velocities. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 518(4), p. 5929–5941. doi: 10.1093/mnras/stac3323. Full text in Research Archive
Hartman, Stian Thomas Heimdal; Winther, Hans Arnold & Mota, David (2022). Cosmological simulations of self-interacting Bose-Einstein condensate dark matter. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 666. doi: 10.1051/0004-6361/202243496. Full text in Research Archive
Massara, Elena; Percival, Will J.; Dalal, Neal; Nadathur, Seshadri; Radinovic, Sladana & Winther, Hans Arnold [Show all 7 contributors for this article] (2022). Velocity profiles of matter and biased tracers around voids. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 517(3), p. 4458–4471. doi: 10.1093/mnras/stac2892. Full text in Research Archive
Brando, Guilherme; Fiorini, Bartolomeo; Koyama, Kazuya & Winther, Hans Arnold (2022). Enabling matter power spectrum emulation in beyond-ΛCDM cosmologies with COLA. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2022(9). doi: 10.1088/1475-7516/2022/09/051.
Woodfinden, Alex; Nadathur, Seshadri; Percival, Will J; Radinovic, Sladana; Massara, Elena & Winther, Hans Arnold (2022). Measurements of cosmic expansion and growth rate of structure from voids in the Sloan Digital Sky Survey between redshift 0.07 and 1.0. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 516(3), p. 4307–4323. doi: 10.1093/mnras/stac2475. Full text in Research Archive
Mina, Mattia; Mota, David & Winther, Hans Arnold (2022). Solitons in the dark: First approach to non-linear structure formation with fuzzy dark matter. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 662. doi: 10.1051/0004-6361/202038876. Full text in Research Archive
Hartman, Stian Thomas Heimdal; Winther, Hans Arnold & Mota, David (2022). Constraints on self-interacting Bose-Einstein condensate dark matter using large-scale observables. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2022(2). doi: 10.1088/1475-7516/2022/02/005.
Joudaki, Shahab; Ferreira, Pedro G.; Lima, Nelson A. & Winther, Hans Arnold (2022). Testing gravity on cosmic scales: A case study of Jordan-Brans-Dicke theory. Physical Review D. ISSN 2470-0010. 105(4). doi: 10.1103/PhysRevD.105.043522. Full text in Research Archive
Hamaus, Nico; Aubert, M.; Pisani, Alice; Contarini, S.; Verza, G. & Cousinou, M.-C. [Show all 130 contributors for this article] (2022). Euclid: Forecasts from redshift-space distortions and the Alcock-Paczynski test with cosmic voids. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 658. doi: 10.1051/0004-6361/202142073. Full text in Research Archive
Alam, Shadab; Arnold, Christian; Aviles, Alejandro; Bean, Rachel; Cai, Yan-Chuan & Cautun, Marius [Show all 36 contributors for this article] (2021). Towards testing the theory of gravity with DESI: summary statistics, model predictions and future simulation requirements. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2021(11). doi: 10.1088/1475-7516/2021/11/050. Full text in Research Archive
Fiorini, Bartolomeo; Koyama, Kazuya; Izard, Albert; Winther, Hans Arnold; Wright, Bill S. & Li, Baojiu (2021). Fast generation of mock galaxy catalogues in modified gravity models with COLA. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2021(09). doi: 10.1088/1475-7516/2021/09/021.
Hartman, Stian Thomas Heimdal; Winther, Hans Arnold & Mota, David (2021). Dynamical friction in Bose-Einstein condensed self-interacting dark matter at finite temperatures, and the Fornax dwarf spheroidal. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 647. doi: 10.1051/0004-6361/202039865.
Tamosiunas, Andrius; Winther, Hans Arnold; Koyama, Kazuya; Bacon, David; Nichol, Robert C. & Mawdsley, Ben (2021). Investigating cosmological GAN emulators using latent space interpolation. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 506(2), p. 3049–3067. doi: 10.1093/mnras/stab1879. Full text in Research Archive
Mina, Mattia; Mota, David & Winther, Hans Arnold (2020). SCALAR: an AMR code to simulate axion-like dark matter models. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 641. doi: 10.1051/0004-6361/201936272. Full text in Research Archive
Bose, Benjamin; Winther, Hans Arnold; Pourtsidou, Alkistis; Casas, Santiago; Lombriser, Lucas & Xia, Qianli [Show all 7 contributors for this article] (2020). Hybrid Pℓ(k): general, unified, non-linear matter power spectrum in redshift space. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2020(09). doi: 10.1088/1475-7516/2020/09/001. Full text in Research Archive
Hartman, Stian; Winther, Hans Arnold & Mota, David (2020). Collapse of spherical overdensities in superfluid models of dark matter. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 639. doi: 10.1051/0004-6361/201937263. Full text in Research Archive
Aviles, Alejandro; Koyama, Kazuya; Cervantes-Cota, Jorge L; Winther, Hans Arnold & Li, Baojiu (2020). Marked correlation functions in perturbation theory. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2020(01). doi: 10.1088/1475-7516/2020/01/006. Full text in Research Archive
Nadathur, Seshadri; Percival, Will J.; Beutler, Florian & Winther, Hans Arnold (2020). Testing Low-Redshift Cosmic Acceleration with Large-Scale Structure. Physical Review Letters. ISSN 0031-9007. 124(22). doi: 10.1103/PhysRevLett.124.221301. Full text in Research Archive
Winther, Hans Arnold; Casas, Santiago; Baldi, Marco; Koyama, Kazuya; Li, Baojiu & Lombriser, Lucas [Show all 7 contributors for this article] (2019). Emulators for the nonlinear matter power spectrum beyond ΛCDM. Physical Review D. ISSN 2470-0010. 100(12), p. 123540-1–123540-13. doi: 10.1103/PhysRevD.100.123540. Full text in Research Archive
Bose, Benjamin; Koyama, Kazuya & Winther, Hans Arnold (2019). Assessing non-linear models for galaxy clustering III: theoretical accuracy for stage IV surveys. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 2019(10). doi: 10.1088/1475-7516/2019/10/021.
L'Huillier, Benjamin; Winther, Hans Arnold; Mota, David; Park, Changbom & Kim, Juhan (2017). Dark matter haloes in modified gravity and dark energy: interaction rate, small- and large-scale alignment. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 468(3), p. 3174–3183. doi: 10.1093/mnras/stx700. Full text in Research Archive
Carlesi, Edoardo; Mota, David & Winther, Hans Arnold (2017). The dynamics of the Local Group as a probe of dark energy and modified gravity. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 466(4), p. 4813–4825. doi: 10.1093/mnras/stx056. Full text in Research Archive
Gronke, Max Balthasar; Hammami, Amir; Mota, David & Winther, Hans Arnold (2016). Estimates of cluster masses in screened modified gravity. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 595. doi: 10.1051/0004-6361/201628644.
Vargas dos santos, Marcelo; Winther, Hans Arnold; Mota, David & Waga, Ioav (2016). N-body simulations of γ gravity. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 587. doi: 10.1051/0004-6361/201527645.
Bull, Philip James; Akrami Cheghasiahi, Yashar; Adamek, Julian; Baker, Tessa; Bellini, Emilio & Beltrán Jiménez, Jose [Show all 40 contributors for this article] (2016). Beyond ΛCDM: Problems, solutions, and the road ahead. Physics of the Dark Universe. ISSN 2212-6864. 12, p. 56–99. doi: 10.1016/j.dark.2016.02.001.
Winther, Hans Arnold; Schmidt, F.; Barreira, Alexandre; Arnold, Christian; Bose, S. & Llinares, Claudio [Show all 15 contributors for this article] (2015). Modified gravity N-body code comparison project. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 454(4), p. 4208–4234. doi: 10.1093/mnras/stv2253. Full text in Research Archive
Gronke, Max Balthasar; Mota, David & Winther, Hans Arnold (2015). Universal predictions of screened modified gravity on cluster scales. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 583. doi: 10.1051/0004-6361/201526611. Full text in Research Archive
Grönke, Max Balthasar; Llinares, Claudio; Mota, David & Winther, Hans Arnold (2015). Halo velocity profiles in screened modified gravity theories. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 449(3), p. 2837–2844. doi: 10.1093/mnras/stv496. Full text in Research Archive
Hammami, Amir; Llinares, Claudio; Mota, David & Winther, Hans Arnold (2015). Hydrodynamic effects in the symmetron and f(R)-gravity models. Monthly notices of the Royal Astronomical Society. ISSN 0035-8711. 449(4), p. 3635–3644. doi: 10.1093/mnras/stv529. Full text in Research Archive
Silva, M. F.; Winther, Hans Arnold; Mota, David & Martins, Carlos Jose Amaro Parente (2014). Spatial variations of the fine-structure constant in symmetron models. Physical Review D. ISSN 1550-7998. 89. doi: 10.1103/PhysRevD.89.024025. Full text in Research Archive
Llinares, Claudio; Mota, David & Winther, Hans Arnold (2014). ISIS: a new N-body cosmological code with scalar fields based on RAMSES - Code presentation and application to the shapes of clusters. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 562. doi: 10.1051/0004-6361/201322412. Full text in Research Archive
Winther, Hans Arnold (2013). Layzer-Irvine equation for scalar-tensor theories: A test of modified gravity N-body simulations. Physical Review D. Particles and fields. ISSN 0556-2821. 88(4). doi: 10.1103/PhysRevD.88.044057.
Brax, P; Davis, A.-C.; Li, Baojiu; Winther, Hans Arnold & Zhao, Gong-Bo (2013). Systematic simulations of modified gravity: chameleon models. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. doi: 10.1088/1475-7516/2013/04/029.
Brax, P; Davis, A.-C.; Li, Baojiu; Winther, Hans Arnold & Zhao, Gong-Bo (2012). Systematic simulations of modified gravity: symmetron and dilaton models. Journal of Cosmology and Astroparticle Physics (JCAP). ISSN 1475-7516. 10. doi: 10.1088/1475-7516/2012/10/002.
Winther, Hans Arnold; Mota, David & Li, Baojiu (2012). ENVIRONMENT DEPENDENCE OF DARK MATTER HALOS IN SYMMETRON MODIFIED GRAVITY. The Astrophysical Journal (ApJ). ISSN 0004-637X. 756(2). doi: 10.1088/0004-637X/756/2/166.
Brax, P; Davis, A.-C.; Li, Baojiu & Winther, Hans Arnold (2012). Unified description of screened modified gravity. Physical Review D. Particles and fields. ISSN 0556-2821. 86(4). doi: 10.1103/PhysRevD.86.044015. Full text in Research Archive
Brax, P; Davis, A.-C. & Winther, Hans Arnold (2012). Cosmological supersymmetric model of dark energy. Physical Review D. Particles and fields. ISSN 0556-2821. 85(8). doi: 10.1103/PhysRevD.85.083512. Full text in Research Archive
Davis, A.-C.; Li, Baojiu; Mota, David & Winther, Hans Arnold (2012). STRUCTURE FORMATION IN THE SYMMETRON MODEL. The Astrophysical Journal (ApJ). ISSN 0004-637X. 748(1). doi: 10.1088/0004-637X/748/1/61. Full text in Research Archive
Mota, David & Winther, Hans Arnold (2011). COSMOLOGY OF CHAMELEONS WITH POWER-LAW COUPLINGS. The Astrophysical Journal (ApJ). ISSN 0004-637X. 733(1). doi: 10.1088/0004-637X/733/1/7.
Gannouji, Radouane; Moraes, Bruno; Mota, David Fonseca; Polarski, David; Tsujikawa, S & Winther, Hans Arnold (2010). Chameleon dark energy models with characteristic signatures. Physical Review D. Particles and fields. ISSN 0556-2821. 82. doi: 10.1103/PhysRevD.82.124006.
Brax, P; van de Bruck, C.; Mota, David Fonseca; Nunes, Nelson & Winther, Hans Arnold (2010). Chameleons with field-dependent couplings. Physical Review D. Particles and fields. ISSN 0556-2821. 82(8). doi: 10.1103/PhysRevD.82.083503.

View all works in Cristin

Winther, Hans Arnold (2023). Nytt romteleskop skal kaste lys over de mørke sidene av universet. [Internet]. Forskning.no.
Winther, Hans Arnold (2023). The Cosmic Web.
Montoya Arroyave, Isabel; Cicone, Claudia; Shen, Sijing & Winther, Hans Arnold (2024). Multi-tracer molecular gas observations of local infrared luminous galaxies. Faculty of Mathematics and Natural Sciences. ISSN 1501-7710.
Mauland-Hus, Renate; Elgarøy, Øystein & Winther, Hans Arnold (2023). Large-scale structure with massive neutrinos and modified gravity: A simulation-based approach. Faculty of Mathematics and Natural Sciences. ISSN 1501-7710.
Hartman, Stian Thomas Heimdal; Mota, David & Winther, Hans Arnold (2022). Cosmology of Scalar Field Dark Matter with Self-Interactions. Universitetet i Oslo. ISSN 1501-7710.
Mina, Mattia; Mota, David & Winther, Hans Arnold (2020). Cosmology at small scales: ultra-light dark matter and baryon cycles in galaxies. Faculty of Mathematics and Natural Sciences. ISSN 1501-7710.
Winther, Hans Arnold (2013). Cosmological Probes of Modified Gravity. Akademika forlag. ISSN 1501-7710.

View all works in Cristin

Published Apr. 5, 2019 12:16 PM - Last modified Jan. 12, 2021 12:50 AM

Projects

Research groups

Cosmology and extragalactic astronomy