Steen Harle Hansen

Steen Harle Hansen

Professor

ORCID: 0000-0002-4691-3935

Publication year:
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1 - 52 out of 52Page size: 100
  1. 2024
  2. 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

  3. 2023
  4. 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

  5. 2021
  6. 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

  7. 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

  8. 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

  9. 2020
  10. 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

  11. 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

  12. 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

  13. 2019
  14. 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

  15. 2018
  16. 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. 746-759

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. 2017
  18. 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. 3486-3491

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. 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. 2061-2065

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. 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, Durero, M., Dragoun, O., Drewes, M., Drexlin, G., Duellmann, C. E., Eberhardt, K., Eliseev, S., Enss, C., Evans, N. W., Faessler, A., Filianin, P., Fischer, V., Fleischmann, A., Formaggio, J. A., Franse, J., Fraenkle, F. M., Frenk, C. S., Fuller, G., Gastaldo, L., Garzilli, A., Giunti, C., Glueck, F., Goodman, M. C., Gonzalez-Garcia, M. C., Gorbunov, D., Hamann, J., Hannen, V., Hannestad, S., Hansen, Steen Harle, Hassel, C., Heeck, J., Hofmann, F., Houdy, T., Huber, A., Iakubovskyi, D., Lanni, A., Ibarra, A., Jacobsson, R., Jeltema, T., Jochum, J., Kempf, S., Kieck, T., Korzeczek, M., Kornoukhov, V., Lachenmaier, T., Laine, M., Langacker, P., Lasserre, T., Lesgourgues, J., Lhuillier, D., Li, Y. F., Liao, W., Long, A. W., Maltoni, M., Mangano, G., Mavromatos, N. E., Menci, N., Merle, A., Mertens, S., Mirizzi, A., Monrea, B., Nozik, A., Neronov, A., Niro, V., Novikov, Y., Oberauer, L., Otten, E., Palanque-Delabrouille, N., Pallavicini, M., Pantuev, V. S., Papastergis, E., Parke, S., Pascoli, S., Pastor, S., Patwardhan, A., Pilaftsis, A., Radford, D. C., Ranitzsch, P. C. -., Rest, O., Robinson, D. J., Rodrigues da Silva, P. S., Ruchayskiy, Oleg, Sanchez, N. G., Sasaki, M., Saviano, N., Schneider, A., Schneider, F., Schwetz, T., Schoenert, S., Scholl, S., Shankar, F., Shrock, R., Steinbrink, N., Strigari, L., Suekane, F., Suerfu, B., Takahashi, R., Thi Hong Van, N., Tkachev, I., Totzauer, M., Tsai, Y., Tully, C. G., Valerius, K., Valle, J. W. F., Venos, D., Viel, M., Vivier, M., Wang, M. Y., Weinheimer, C., Wendt, K., Winslow, L., Wolf, J., Wurm, M., Xing, Z., Zhou, S. & Zuber, K., Jan 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 1

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. 2016
  22. 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, Jaeckel, J., Kahlhoefer, F., Mccullough, M., McKeen, D., Mitselmakher, G., Moch, S., Mohapatra, R. N., Morrissey, D. E., Ovchynnikov, M., Pilaftsis, A., Reno, M. H., Ritz, A., Roszkowski, L., Rubakov, V., Ruchayskiy, Oleg, Schienbein, I., Schmeier, D., Schmidt-Hoberg, K., Schwaller, P., Seto, O., Shaposhnikov, M., Spannowsky, M., Tramontano, F., Tripathi, A., Tulin, S., Vissani, F., Winkler, M. W. & Zurek, K. M., Dec 2016, In: Reports on Progress in Physics. 79, 12, 124201.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. 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

  24. 2015
  25. 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. 1644-1659

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. 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. 1333-1340

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. 2014
  28. 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. 1887-1896

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. 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

  30. 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. 1044-1051

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. 2013
  32. 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. 2639-2649

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. 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-L9

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. 2012
  35. 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. 049

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    A Derivation of (Half) the Dark Matter Distribution Function

    Hansen, Steen Harle & Sparre, M., 1 Sep 2012, In: Astrophysical Journal. 756, 1, p. 100

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. 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

  38. 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. 042

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. 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. 21

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. 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

  41. 2011
  42. 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. 567-569

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. 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

  44. 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. 52

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. 2010
  46. 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

  47. 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

  48. 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, København

    Research output: Other contribution › Research

  49. 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, Norway

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  50. 2009
  51. 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. 893-901

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. 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

  53. 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

  54. 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. 26-33

    Research output: Contribution to journal › Journal article › Communication

  55. 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. 358-366

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    Might we eventually understand the origin of the dark matter velocity anisotropy?

    Hansen, Steen Harle, 2009, In: Astrophysical Journal. 694, 2, p. 1250-1255

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. Published

    Mørkt stof - vi ved så meget og dog så lidt

    Hansen, Steen Harle, Pedersen, K., Sollerman, J. O., Andersen, Anja C., Fynbo, Johan Peter Uldall, Hjorth, Jens, Toft, Sune & Watson, Darach Jafar, 2009, In: Kvant. 2, p. 14-17 3 p.

    Research output: Contribution to journal › Journal article › Communication

  58. 2008
  59. 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-L36

    Research output: Contribution to journal › Journal article › Research › peer-review

  60. 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

  61. 2007
  62. 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

  63. 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

  64. 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. 043524

    Research output: Contribution to journal › Journal article › Research › peer-review

  65. 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. 131301

    Research output: Contribution to journal › Journal article › Research › peer-review

  66. 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

  67. 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, 016

    Research output: Contribution to journal › Journal article › Research › peer-review

  68. 2006
  69. 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-L36

    Research output: Contribution to journal › Journal article › Research › peer-review

  70. 1999
  71. 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