Steen Harle Hansen
Professor
DARK
Jagtvej 155A
2200 København N
- 2024
- Published
A phenomenological model for dark matter phase-space distribution
Li, Zhen & Hansen, Steen Harle, 6 Mar 2024, In: Monthly Notices of the Royal Astronomical Society. 529, 2, p. 1877-1885 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2023
- Published
The Destiny of Dark Matter
Tracanna, F. & Hansen, Steen Harle, 9 Oct 2023, In: Astrophysical Journal. 957, 1, 8 p., 2.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- Published
Accelerated expansion induced by dark matter with two charges
Hansen, Steen Harle, 2 Sep 2021, In: Monthly Notices of the Royal Astronomical Society. 508, 1, p. L22-L25 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A force proportional to velocity squared derived from spacetime algebra
Hansen, Steen Harle, 11 Jun 2021, In: Monthly Notices of the Royal Astronomical Society. 506, 1, p. L16-L19 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Consistency Analysis of a Dark Matter Velocity-dependent Force as an Alternative to the Cosmological Constant
Loeve, K., Nielsen, K. S. & Hansen, Steen Harle, 1 Apr 2021, In: Astrophysical Journal. 910, 2, 4 p., 98.Research output: Contribution to journal › Journal article › Research › peer-review
- 2020
- Published
Estimating the dark matter velocity anisotropy to the cluster edge
Svensmark, Jacob, Hansen, Steen Harle, Martizzi, D., Moore, B. & Teyssier, R., 23 Oct 2020, In: Monthly Notices of the Royal Astronomical Society. 500, p. 3151-3161 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Baryons in the Cosmic Web of IllustrisTNG - II. The connection among galaxies, haloes, their formation time, and their location in the Cosmic Web
Martizzi, D., Vogelsberger, M., Torrey, P., Pillepich, A., Hansen, Steen Harle, Marinacci, F. & Hernquist, L., 1 Feb 2020, In: Monthly Notices of the Royal Astronomical Society. 491, 4, p. 5747-5758 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Distinguishing cosmologies using the turn-around radius near galaxy clusters
Hansen, Steen Harle, Hassani, F., Lombriser, L. & Kunz, M., 22 Jan 2020, In: Journal of Cosmology and Astroparticle Physics. 2020, 1, 16 p., 048.Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
Why is centripetal acceleration v2/r2: Students’ struggles and preferences after seeing different derivations
Vedel, S., Avelar Sotomaior Karam, Ricardo & Hansen, Steen Harle, 2019, p. 289-290.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
- 2018
- Published
The structure and assembly history of cluster-sized haloes in self-interacting dark matter
Brinckmann, T., Zavala, J., Rapetti, D., Hansen, Steen Harle & Vogelsberger, M., 11 Feb 2018, In: Monthly Notices of the Royal Astronomical Society. 474, 1, p. 746-759Research output: Contribution to journal › Journal article › Research › peer-review
- 2017
- Published
Infall near clusters of galaxies: comparing gas and dark matter velocity profiles
Albæk, L., Hansen, Steen Harle, Martizzi, D., Moore, B. & Teyssier, R., 1 Dec 2017, In: Monthly Notices of the Royal Astronomical Society. 472, 3, p. 3486-3491Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Analytical derivation of the radial distribution function in spherical dark matter haloes
Eilersen, Andreas Thomas, Hansen, Steen Harle & Zhang, X., 1 May 2017, In: Monthly Notices of the Royal Astronomical Society. 467, 2, p. 2061-2065Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A White Paper on keV sterile neutrino Dark Matter
Adhikari, R., Agostini, M., Ky, N. A., Araki, T., Archidiacono, M., Bahr, M., Baur, J., Behrens, J., Bezrukov, F., Dev, P. S. B., Borah, D., Boyarsky, A., de Gouvea, A., Pires, C. A. D. S., de Vega, H. J., Dias, A. G., Di Bari, P., Djurcic, Z., Dolde, K., Dorrer, H. & 116 others, , Jan 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 1Research output: Contribution to journal › Journal article › Research › peer-review
- 2016
- Published
A facility to search for hidden particles at the CERN SPS: the SHiP physics case
Alekhin, S., Altmannshofer, W., Asaka, T., Batell, B., Bezrukov, F., Bondarenko, K., Boyarsky, A., Choi, K-Y., de Gouvea, A., Garbrecht, B., Gavela, B., Gorbunov, D., Gori, S., Grojean, C., Guffanti, A., Hambye, T., Hansen, S. H., Helo, J. C., Hernandez, P., Ivashko, A. & 28 others, , Dec 2016, In: Reports on Progress in Physics. 79, 12, 124201.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Zeldovich pancakes in observational data are cold
Brinckmann, T., Lindholmer, M., Hansen, Steen Harle & Falco, M., 4 Apr 2016, In: Journal of Cosmology and Astroparticle Physics. 2016, 4, 007.Research output: Contribution to journal › Journal article › Research › peer-review
- 2015
- Published
Effect of asphericity in caustic mass estimates of galaxy clusters
Svensmark, Jacob, Wojtak, Radoslaw Jan & Hansen, Steen Harle, 1 Apr 2015, In: Monthly Notices of the Royal Astronomical Society. 448, 2, p. 1644-1659Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Zeldovich pancakes at redshift zero: the equilibration state and phase-space properties
Wadekar, D. & Hansen, Steen Harle, 21 Feb 2015, In: Monthly Notices of the Royal Astronomical Society. 447, 2, p. 1333-1340Research output: Contribution to journal › Journal article › Research › peer-review
- 2014
- Published
A new method to measure the mass of galaxy clusters
Falco, M., Hansen, Steen Harle, Wojtak, Radoslaw Jan, Brinckmann, T., Lindholmer, M. & Pandolfi, S., 1 Aug 2014, In: Monthly Notices of the Royal Astronomical Society. 442, 2, p. 1887-1896Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Particle ejection during mergers of dark matter halos
Carucci, I. P., Sparre, M., Hansen, Steen Harle & Joyce, M., 1 Jun 2014, In: Journal of Cosmology and Astroparticle Physics. 2014, 6, 057.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stirring N-body systems - II. Necessary conditions for the dark matter attractor
Barber, J. A., Hongsheng, Z. & Hansen, Steen Harle, 1 May 2014, In: Monthly Notices of the Royal Astronomical Society. 440, 2, p. 1044-1051Research output: Contribution to journal › Journal article › Research › peer-review
- 2013
- Published
Dynamical signatures of infall around galaxy clusters: a generalized Jeans equation
Falco, M., Mamon, G. A., Wojtak, Radoslaw Jan, Hansen, Steen Harle & Gottloeber, S., 1 Dec 2013, In: Monthly Notices of the Royal Astronomical Society. 436, 3, p. 2639-2649Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Why does the Jeans Swindle work?
Falco, M., Hansen, Steen Harle & Mamon, G. A., 1 May 2013, In: Monthly Notices of the Royal Astronomical Society. 431, 1, p. L6-L9Research output: Contribution to journal › Journal article › Research › peer-review
- 2012
- Published
The behaviour of shape and velocity anisotropy in dark matter haloes
Sparre, M. & Hansen, Steen Harle, 31 Oct 2012, In: Journal of Cosmology and Astroparticle Physics. 2012, 10, p. 049Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A Derivation of (Half) the Dark Matter Distribution Function
Hansen, Steen Harle & Sparre, M., 1 Sep 2012, In: Astrophysical Journal. 756, 1, p. 100Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stirring N-body systems: universality of end states
Barber, J. A., Zhao, H., Wu, X. & Hansen, Steen Harle, 1 Aug 2012, In: Monthly Notices of the Royal Astronomical Society. 424, 3, p. 1737-1751 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Asymmetric velocity anisotropies in remnants of collisionless mergers
Sparre, M. & Hansen, Steen Harle, 1 Jul 2012, In: Journal of Cosmology and Astroparticle Physics. 2012, 7, p. 042Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Measuring the Three-dimensional Shape of X-Ray Clusters
Samsing, Johan Georg Mulvad, Skielboe, A. & Hansen, Steen Harle, 20 Mar 2012, In: Astrophysical Journal. 748, 1, p. 21Research output: Contribution to journal › Journal article › Research › peer-review
- Published
An attractor for the dynamical state of the intracluster medium
Juncher, D., Hansen, Steen Harle & Macciò, A. V., 20 Feb 2012, In: Astrophysical Journal Letters. 746, 2, p. L28 5 p.Research output: Contribution to journal › Letter › Research › peer-review
- 2011
- Published
Gravitational redshift of galaxies in clusters as predicted by general relativity
Wojtak, R., Hansen, Steen Harle & Hjorth, Jens, 28 Aug 2011, In: Nature. 477, 7366, p. 567-569Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Temperature of Hot Gas in Galaxies and Clusters: Baryons Dancing to the Tune of Dark Matter
Hansen, Steen Harle, Macció, A. V., Romano-Diaz, E., Hoffman, Y., Brüggen, M., Scannapieco, E. & Stinson, G. S., 10 Jun 2011, In: Astrophysical Journal. 734, 1, p. 62 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A Detailed Statistical Analysis of the Mass Profiles of Galaxy Clusters
Host, O. & Hansen, Steen Harle, 6 Jun 2011, In: Astrophysical Journal. 736, 1, p. 52Research output: Contribution to journal › Journal article › Research › peer-review
- 2010
- Published
Searching for dark matter in X-rays: how to check the dark matter origin of a spectral feature
Boyarsky, A., Ruchayskiy, O., Iakubovskyi, D., Walker, M. G., Riemer-Sørensen, S. & Hansen, Steen Harle, 11 Sep 2010, In: Monthly Notices of the Royal Astronomical Society. 407, 2, p. 1188-1202 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
An attractor for dark matter structures
Hansen, Steen Harle, Juncher, D. & Sparre, M., 1 Aug 2010, In: Astrophysical Journal Letters. 718, 2, p. L68-L72 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Confronting theory with observations: A UniverseNet Cosmology Workshop, August 16-20
Bergström... [et al.], L., Bjerrum-Bohr, Emil, Butt, S., Christensen, Per Rex, Damgaard, Poul Henrik, Collins, H. S., Fynbo, Johan Peter Uldall, Geier, S. J., Hansen, Steen Harle, James, J. B., Kim, J., Li, X., Man, W. S., Nasselski, Pavel, Nesseris, S. & Olesen, Poul, 16 Jul 2010, KøbenhavnResearch output: Other contribution › Research
- Published
Spaatind 2010, Nordic conference in partcle physics
Aasvold...[et al.], A., Andersen, Martin Skou, Badensø, M., Damgaard, Poul Henrik, Dam, Mogens, Gregersen, K. A., Hansen, Jørgen Beck, Hansen, Peter Henrik, Jørgensen, M. D., Hansen, Steen Harle, Heisterkamp, S. J. F. & Nielsen, Holger Frits Bech, 2 Jan 2010, Bi-annual Nordic Conference in Particle Physics . 21st. ed. 2-8 January 2010 Spaatind, NorwayResearch output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
- 2009
- Published
Dark matter angular momentum profile from the Jeans equation
Schmidt, K. B., Hansen, Steen Harle, An, J. H., Williams, L. L. R. & Macci'o, A. V., 2009, In: Astrophysical Journal. 694, 2, p. 893-901Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Decaying dark matter in the draco dwarf galaxy
Riemer-Sørensen, S. & Hansen, Steen Harle, 2009, In: Astronomy & Astrophysics. 500, 2, p. L37-L40 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Determining all gas properties in galaxy clusters from the dark matter distribution alone
Frederiksen, T. F., Hansen, Steen Harle, Høst, O. C. & Roncadlli, M., 2009, In: Astrophysical Journal. 700, 2, p. 1603-1608 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Galaksernes oprindelse og universets " dark ages "
Fynbo, Johan Peter Uldall, Andersen, Anja C., Hansen, Steen Harle, Pedersen, K., Sollerman, J. O. & Watson, Darach Jafar, 2009, In: Naturens Verden. 1, p. 26-33Research output: Contribution to journal › Journal article › Communication
- Published
Measurement of dark matter velocity anisotropy in galaxy clusters
Host, O., Hansen, Steen Harle, Morandi, A., Ettori, S., Kay, S. T. & Valdarmini, R., 2009, In: Astrophysical Journal. 690, 1, p. 358-366Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Might we eventually understand the origin of the dark matter velocity anisotropy?
Hansen, Steen Harle, 2009, In: Astrophysical Journal. 694, 2, p. 1250-1255Research output: Contribution to journal › Journal article › Research › peer-review
- Published
- 2008
- Published
Alas, the dark matter structures were not that trivial
Schmidt, K. B., Hansen, Steen Harle & Macció, A. V., 2008, In: Astrophysical Journal Letters. 689, 1, p. L33-L36Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Impact of going beyond the Maxwell distribution in direct dark matter detection rates
Vergados, J. D., Hansen, Steen Harle & Host, O., 2008, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 77, 2, p. 023509 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
An alternative to grids and glasses: quaquaversal pre-initial conditions for N-body simulations
Hansen, Steen Harle, Agertz, O., Joyce, M., Stadel, J., Moore, B. & Potter, D., 2007, In: Astrophysical Journal. 656, 2, p. 631-635 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Measuring the dark matter velocity anisotropy in galaxy clusters
Hansen, Steen Harle & Piffaretti, R., 2007, In: Astronomy & Astrophysics. 476, 3, p. L37-L40 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Probing the nature of dark matter with cosmic x rays: Constraints from "dark blobs" and grating spectra of galaxy clusters
Riemer-Sørensen, S., Pedersen, K., Hansen, Steen Harle & Dahle, H., 2007, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 76, 4, p. 043524Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Searching for decaying axionlike dark matter from clusters of galaxies
Riemer-Sørensen, S., Zioutas, K., Hansen, Steen Harle, Pedersen, K., Dahle, H. & Liolios, A., 2007, In: Physical Review Letters. 99, 13, p. 131301Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The nature of dark matter and the density profile and central behavior of relaxed halos
Salvador-Sol'e, E., Manrique, A., Casado, G. & Hansen, Steen Harle, 2007, In: Astrophysical Journal. 666, 1, p. 181-188 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
What it takes to measure a fundamental difference between dark matter and baryons: the halo velocity anisotropy
Host, O. & Hansen, Steen Harle, 2007, In: Journal of Cosmology and Astroparticle Physics. 6, 016Research output: Contribution to journal › Journal article › Research › peer-review
- 2006
- Published
Sterile neutrinos in the milky way: observational constraints
Riemer-Sørensen, S., Hansen, Steen Harle & Pedersen, K., 2006, In: Astrophysical Journal. 644, 1, p. L33-L36Research output: Contribution to journal › Journal article › Research › peer-review
- 1999
- Published
Neutrino physics in the early Universe: phenomenological implications of mass, decay and oscillation
Hansen, Steen Harle, 1999, København. 131 p.Research output: Book/Report › Ph.D. thesis › Research
ID: 8704
Most downloads
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98
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Accelerated expansion induced by dark matter with two charges
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
85
downloads
Estimating the dark matter velocity anisotropy to the cluster edge
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
81
downloads
A force proportional to velocity squared derived from spacetime algebra
Research output: Contribution to journal › Journal article › Research › peer-review
Published