World's Best Scientists 2026 revealed!
Steen Hannestad

Steen Hannestad

D-Index & Metrics

Physics

D-Index
78
Citations
18624
World Ranking
3187
National Ranking
23

Steen Hannestad publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Steen Hannestad sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 248 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Steen Hannestad D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Steen Hannestad sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 78 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Overview

Steen Hannestad is affiliated with Aarhus University in Denmark and has made contributions primarily in the field of Physics and Astronomy. Their research focuses significantly on subfields such as Nuclear and High Energy Physics, Astronomy and Astrophysics, Artificial Intelligence, Instrumentation, and Statistical and Nonlinear Physics.

The scientist's main areas of study encompass several core topics within physics, including Cosmology and Gravitation Theories, Astrophysics and Cosmic Phenomena, Particle Physics theoretical and experimental studies, Galaxies in terms of Formation, Evolution, and Phenomena, Neutrino Physics Research, Dark Matter and Cosmic Phenomena, as well as Computational Physics and Python Applications.

Steen Hannestad has authored and co-authored numerous scientific papers. Notable recent publications include:

  • Euclid preparation: IX. EuclidEmulator2 - power spectrum emulation with massive neutrinos and self-consistent dark energy perturbations, 2021, Monthly Notices of the Royal Astronomical Society
  • Updated results on neutrino mass and mass hierarchy from cosmology with Planck 2018 likelihoods, 2020, Journal of Cosmology and Astroparticle Physics
  • Updated constraints on massive neutrino self-interactions from cosmology in light of the H0 tension, 2021, Journal of Cosmology and Astroparticle Physics
  • Bayesian and frequentist investigation of prior effects in EFT of LSS analyses of full-shape BOSS and eBOSS data, 2023, Physical review. D/Physical review. D.
  • CONNECT: a neural network based framework for emulating cosmological observables and cosmological parameter inference, 2023, Journal of Cosmology and Astroparticle Physics

Frequent collaborators include:

  • Thomas Tram
  • Jeppe Dakin
  • Joachim Stadel
  • D. Potter
  • Aurel Schneider

Steen Hannestad's work has been published in various scientific venues. The most frequent publication platforms are:

  • Zenodo (CERN European Organization for Nuclear Research)
  • arXiv (Cornell University)
  • Journal of Cosmology and Astroparticle Physics
  • Monthly Notices of the Royal Astronomical Society
  • Physical review. D/Physical review. D.

Best Publications

  • Light Sterile Neutrinos: A White Paper

    K. N. Abazajian;M. A. Acero;S. K. Agarwalla;A. A. Aguilar-Arevalo

  • What is the lowest possible reheating temperature

    Steen Hannestad

  • A White Paper on keV sterile neutrino Dark Matter

    R. Adhikari;M. Agostini;N. Anh Ky;N. Anh Ky;T. Araki

  • Updated bounds on milli-charged particles

    Sacha Davidson;Steen Hannestad;Georg Raffelt

  • Neutrino masses and the number of neutrino species from WMAP and 2dFGRS

    Steen Hannestad

  • Self-induced conversion in dense neutrino gases: Pendulum in flavor space

    Steen Hannestad;Steen Hannestad;Georg G. Raffelt;Günter Sigl;Yvonne Y. Y. Wong

  • Probing cosmological parameters with the CMB: Forecasts from full Monte Carlo simulations

    Laurence Perotto;Julien Lesgourgues;Steen Hannestad;Huitzu Tu

  • Cosmology seeking friendship with sterile neutrinos

    J. Hamann;S. Hannestad;G.G. Raffelt;I. Tamborra;I. Tamborra

  • Probing cosmological parameters with the CMB: forecasts from Monte Carlo simulations

    Laurence Perotto;Julien Lesgourgues;Steen Hannestad;Huitzu Tu

  • Cosmology favoring extra radiation and sub-eV mass sterile neutrinos as an option.

    Jan Hamann;Steen Hannestad;Georg G. Raffelt;Irene Tamborra;Irene Tamborra

  • Probing the dark side: Constraints on the dark energy equation of state from CMB, large scale structure and Type Ia supernovae

    Steen Hannestad;Edvard Mörtsell

  • SUPERNOVA NEUTRINO OPACITY FROM NUCLEON-NUCLEON BREMSSTRAHLUNG AND RELATED PROCESSES

    Steen Hannestad;Steen Hannestad;Georg Raffelt

  • Sterile neutrinos with eV masses in cosmology — How disfavoured exactly?

    Jan Hamann;Steen Hannestad;Georg G. Raffelt;Yvonne Y.Y. Wong

  • Neutrino decoupling in the early Universe.

    Steen Hannestad;Jes Madsen

  • Cosmological and Astrophysical Neutrino Mass Measurements

    K. N. Abazajian;E. Calabrese;A. Cooray;F. De Bernardis

  • The Effect of Thermal Neutrino Motion on the Non-linear Cosmological Matter Power Spectrum

    Jacob Brandbyge;Steen Hannestad;Troels Haugboelle;Bjarne Thomsen

  • How Self-Interactions can Reconcile Sterile Neutrinos with Cosmology

    Steen Hannestad;Rasmus Sloth Hansen;Thomas Tram

  • Neutrino masses and the dark energy equation of state: relaxing the cosmological neutrino mass bound.

    Steen Hannestad

  • Supernova and neutron star limits on large extra dimensions reexamined

    Steen Hannestad;Georg G. Raffelt

  • Neutrinos in cosmology

    Steen Hannestad

Frequent Co-Authors

Georg G. Raffelt
Georg G. Raffelt Max Planck Society
Julien Lesgourgues
Julien Lesgourgues RWTH Aachen University
A. C. Weber
A. C. Weber University of Oxford
Alessandro Melchiorri
Alessandro Melchiorri Sapienza University of Rome
Manfred Lindner
Manfred Lindner Max Planck Society
Joachim Stadel
Joachim Stadel University of Zurich
Robert Shrock
Robert Shrock Stony Brook University
Kazunori Kohri
Kazunori Kohri High Energy Accelerator Research Organization
Paul Langacker
Paul Langacker Institute for Advanced Study
José W. F. Valle
José W. F. Valle University of Valencia

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