Steen Hannestad

Research output

Research output per year 1999 1999 2001 2002 2003 2005 2006 2007 2008 2010 2011 2012 2013 2014 2015 2016 2017 2019 2020 2021 2022 2023 2025

• 165 Journal article
• 11 Preprint
• 4 Conference article
• 2 Book chapter
• 5 More
  • 2 Article in proceedings
  • 1 Book
  • 1 Review
  • 1 Doctoral thesis

Research output per year

Research output per year

Search results

• 2025

  Calculating Bayesian evidence for inflationary models using connect

  Sørensen, C. T. G., Hannestad, S., Nygaard, A. & Tram, T., 1 Mar 2025, In: Journal of Cosmology and Astroparticle Physics. 2025, 3, 16 p., 043.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Inflationary Models 100%
  • Cosmological Parameters 100%
  • Entire Space 25%
  • Cosmological Observables 25%
  • CMB Data 25%
• 2024

  Cutting corners: hypersphere sampling as a new standard for cosmological emulators

  Nygaard, A., Holm, E. B., Hannestad, S. & Tram, T., Oct 2024, In: Journal of Cosmology and Astroparticle Physics. 2024, 10, 073.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Hypersphere Sampling 100%
  • Hyperspheres 100%
  • Latin Hypercube 50%
  • High Computational Cost 25%
  • Early Dark Energy 25%

• PROSPECT: A profile likelihood code for frequentist cosmological parameter inference

  Holm, E. B., Nygaard, A., Dakin, J., Hannestad, S. & Tram, T., Dec 2024, In: Monthly Notices of the Royal Astronomical Society. 535, 4, p. 3686-3699 14 p.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Parameter Inference 100%
  • Cosmological Parameters 100%
  • Dark Matter 50%
  • Volume Prior 33%
  • Dark Radiation 33%
  2 Citations (Scopus)
• 2023

  Bayesian and frequentist investigation of prior effects in EFT of LSS analyses of full-shape BOSS and eBOSS data

  Holm, E. B., Herold, L., Simon, T., Ferreira, E. G. M., Hannestad, S., Poulin, V. & Tram, T., 15 Dec 2023, In: Physical Review D. 108, 12, 123514.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  File

  • Effective Field Theory 100%
  • Cosmological Parameters 50%
  • Maximum Likelihood Estimate 50%
  • Frequentist Approach 40%
  • Bayesian Credible Interval 20%
  20 Citations (Scopus)

  42 Downloads (Pure)

• CONNECT: a neural network based framework for emulating cosmological observables and cosmological parameter inference

  Nygaard, A., Holm, E. B., Hannestad, S. & Tram, T., May 2023, In: Journal of Cosmology and Astroparticle Physics. 2023, 5, 025.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  File

  • Compute Resource 100%
  • Inference Process 100%
  23 Citations (Scopus)

  26 Downloads (Pure)

• Decaying Dark Matter and the Hubble Tension

  Nygaard, A., Holm, E. B., Tram, T. & Hannestad, S., 1 Jul 2023.

  Research output: Working paper/Preprint › Preprint

  File
  122 Downloads (Pure)

• Decaying dark matter with profile likelihoods

  Holm, E. B., Herold, L., Hannestad, S., Nygaard, A. & Tram, T., Jan 2023, In: Physical Review D. 107, 2, 6 p., L021303.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  File

  • Dark Matter 100%
  • Cold Dark Matter 25%
  • Markov Chain Monte Carlo 25%
  • Monte Carlo Method 25%
  15 Citations (Scopus)

  4 Downloads (Pure)

• Euclid: modelling massive neutrinos in cosmology — a code comparison

  Euclid consortium, 1 Jun 2023, In: Journal of Cosmology and Astroparticle Physics. 2023, 6, 035.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  File

  • Power Spectra 100%
  • Baryon 50%
  • Cold Dark Matter 50%
  • Neutrino Masses 50%
  • N-Body Simulations 50%
  5 Citations (Scopus)

  6 Downloads (Pure)

• Fast and effortless computation of profile likelihoods using CONNECT

  Nygaard, A., Holm, E. B., Hannestad, S. & Tram, T., 1 Nov 2023, In: Journal of Cosmology and Astroparticle Physics. 11, 064, 064.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  File

  • Neural Network 100%
  • Profile Likelihood 100%
  • Parameter Estimation 50%
  • Cosmological Parameters 50%
  • Cosmological Models 50%
  6 Citations (Scopus)

  20 Downloads (Pure)

• Neutrino self-interactions: A white paper

  Berryman, J. M., Blinov, N., Brdar, V., Brinckmann, T., Bustamante, M., Cyr-Racine, F. Y., Das, A., de Gouvêa, A., Denton, P. B., Dev, P. S. B., Dutta, B., Esteban, I., Fiorillo, D., Gerbino, M., Ghosh, S., Ghosh, T., Grohs, E., Han, T., Hannestad, S. & Hostert, M. & 14 others, Huber, P., Hyde, J., Kelly, K. J., Kling, F., Liu, Z., Lattanzi, M., Loverde, M., Pandey, S., Saviano, N., Sen, M., Shoemaker, I. M., Tangarife, W., Zhang, Y. & Zhang, Y., Dec 2023, In: Physics of the Dark Universe. 42, 25 p., 101267.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review

  • Standard Model 100%
  • Neutrino Masses 25%
  • Physics beyond the Standard Model 25%
  • Dark Matter 25%
  51 Citations (Scopus)

• Profiling cold new early dark energy

  Cruz, J. S., Hannestad, S., Holm, E. B., Niedermann, F., Sloth, M. S. & Tram, T., Jul 2023, In: Physical Review D. 108, 2, 13 p., 023518.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Cosmological Models 100%
  • Markov Chain Monte Carlo 100%
  • Flux Density 100%
  • Monte Carlo Method 100%
  • Tension 100%
  15 Citations (Scopus)

• PROSPECT: A profile likelihood code for frequentist cosmological parameter inference

  Holm, E. B., Nygaard, A., Dakin, J. M., Hannestad, S. & Tram, T., 5 Dec 2023, arXiv:2312.02972v2, 27 p.

  Research output: Working paper/Preprint › Preprint
• 2022

  Decaying warm dark matter revisited

  Holm, E. B., Tram, T. & Hannestad, S., 26 May 2022, arxiv.org, 42 p.

  Research output: Working paper/Preprint › Preprint

  File
  172 Downloads (Pure)

• Decaying warm dark matter revisited

  Holm, E. B., Tram, T. & Hannestad, S., Aug 2022, In: Journal of Cosmology and Astroparticle Physics. 2022, 8, 044.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Warm Dark Matter 100%
  • Dark Matter Model 66%
  • Weak Gravitational Lensing 33%
  • Multipole 33%
  • Hubble Constant 33%
  8 Citations (Scopus)

• Massive neutrino self-interactions and inflation

  Roy Choudhury, S., Hannestad, S. & Tram, T., Oct 2022, In: Journal of Cosmology and Astroparticle Physics. 2022, 10, 018.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Cosmological Models 100%
  • Spectral Index 100%
  • Primordial Black Holes 100%
  • Dark Matter 100%
  21 Citations (Scopus)

• Massive neutrino self-interactions and the Hubble tension

  Choudhury, S. R., Hannestad, S. & Tram, T., Feb 2022, In: Journal of Physics: Conference Series. 2156, 1, 5 p., 012016.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference article › Research › peer-review

  Open Access

  File

  • Neutrino Masses 100%
  • Cosmological Models 50%
  • Flux Density 50%
  16 Downloads (Pure)

• Neutrino mass and mass ordering: no conclusive evidence for normal ordering

  Gariazzo, S., Gerbino, M., Brinckmann, T., Lattanzi, M., Mena, O., Schwetz, T., Choudhury, S. R., Freese, K., Hannestad, S., Ternes, C. A. & Tórtola, M., Oct 2022, In: Journal of Cosmology and Astroparticle Physics. 2022, 10, 010.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Neutrino Masses 100%
  • Particle Physics 14%
  • Neutrino Oscillations 14%
  • Mass Spectrum 14%
  26 Citations (Scopus)

• Pseudoscalar sterile neutrino self-interactions in light of Planck, SPT and ACT data

  Atzori Corona, M., Murgia, R., Cadeddu, M., Archidiacono, M., Gariazzo, S., Giunti, C. & Hannestad, S., Jun 2022, In: Journal of Cosmology and Astroparticle Physics. 2022, 6, 35 p., 010.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Cosmic Microwave Background 100%
  • Neutrino Masses 66%
  • Multipole 66%
  • Cosmological Models 33%
  • Neutrino Oscillations 33%
  12 Citations (Scopus)

• The cosmological simulation code CONCEPT 1.0

  Dakin, J., Hannestad, S. & Tram, T., Jun 2022, In: Monthly Notices of the Royal Astronomical Society. 513, 1, p. 991-1014 24 p.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Simulation Code 100%
  • Power Spectra 100%
  • Clustering 50%
  • Good Agreement 33%
  • Scale Structure 33%
  11 Citations (Scopus)
• 2021

  Euclid preparation: IX. EuclidEmulator2 – power spectrum emulation with massive neutrinos and self-consistent dark energy perturbations

  Euclid Collaboration, Knabenhans, M., Stadel, J., Potter, D., Dakin, J., Hannestad, S., Tram, T., Marelli, S., Schneider, A., Teyssier, R., Fosalba, P., Andreon, S., Auricchio, N., Baccigalupi, C., Balaguera-Antolínez, A., Baldi, M., Bardelli, S., Battaglia, P., Bender, R. & Biviano, A. & 30 others, Bodendorf, C., Bozzo, E., Branchini, E., Brescia, M., Burigana, C., Cabanac, R., Camera, S., Capobianco, V., Cappi, A., Carbone, C., Carretero, J., Carvalho, C. S., Casas, R., Casas, S., Castellano, M., Castignani, G., Cavuoti, S., Cledassou, R., Colodro-Conde, C., Congedo, G., Conselice, C. J., Conversi, L., Copin, Y., Corcione, L., Coupon, J., Courtois, H. M., Da Silva, A., Sánchez, A. G., Schneider, P. & Wang, Y., 1 Aug 2021, In: Monthly Notices of the Royal Astronomical Society. 505, 2, p. 2840-2869 30 p.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • N-Body Simulations 100%
  • High Resolution 100%
  • Power Spectra 100%
  • Dark Matter 100%
  • Nonlinear Correction 100%
  106 Citations (Scopus)

• Invisible neutrino decay in precision cosmology

  Barenboim, G., Chen, J. Z., Hannestad, S., Oldengott, I. M., Tram, T. & Wong, Y. Y. Y., Mar 2021, In: Journal of Cosmology and Astroparticle Physics. 2021, 3, 54 p., 087.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • First-Principles 100%
  • Physics 50%
  • Standard Model 50%
  • Cosmic Microwave Background 50%
  • Boltzmann Equation 50%
  51 Citations (Scopus)

• The cosmological simulation code CONCEPT 1.0

  Dakin, J., Hannestad, S. & Tram, T., 2 Dec 2021, ArXiv.

  Research output: Working paper/Preprint › Preprint

  File
  44 Downloads (Pure)

• The full Boltzmann hierarchy for dark matter-massive neutrino interactions

  Mosbech, M. R., Boehm, C., Hannestad, S., Mena, O., Stadler, J. & Wong, Y. Y. Y., Mar 2021, In: Journal of Cosmology and Astroparticle Physics. 2021, 3, 066.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Dark Matter 100%
  • Cosmological Parameters 33%
  • Neutrino Masses 33%
  • Hubble Constant 33%
  21 Citations (Scopus)

• Updated constraints on decaying cold dark matter

  Nygaard, A., Tram, T. & Hannestad, S., May 2021, In: Journal of Cosmology and Astroparticle Physics. 2021, 5, 017.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Cold Dark Matter 100%
  • Dark Matter Model 20%
  38 Citations (Scopus)

• Updated constraints on massive neutrino self-interactions from cosmology in light of the H₀tension

  Choudhury, S. R., Hannestad, S. & Tram, T., Mar 2021, In: Journal of Cosmology and Astroparticle Physics. 2021, 3, 084.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Neutrino Masses 100%
  • Fermion 50%
  • Relaxation Time 50%
  • Boltzmann Equation 50%
  • Flux Density 50%
  67 Citations (Scopus)
• 2020

  Fitting functions on the cheap: The relative nonlinear matter power spectrum

  Hannestad, S. & Wong, Y. Y. Y., Mar 2020, In: Journal of Cosmology and Astroparticle Physics. 2020, 3, 028.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Power Spectra 100%
  • Illustrates 14%
  • Final Product 14%
  • Scale Structure 14%
  • Parameter Variation 14%
  5 Citations (Scopus)

• MeV-scale reheating temperature and cosmological production of light sterile neutrinos

  Hasegawa, T., Hiroshima, N., Kohri, K., Hansen, R. S. L., Tram, T. & Hannestad, S., Aug 2020, In: Journal of Cosmology and Astroparticle Physics. 2020, 8, 26 p., 015.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Big Bang Nucleosynthesis 100%
  • Cosmic Microwave Background 50%
  • Neutrino Oscillations 50%
  • Early Universe 50%
  • Hadron 50%
  15 Citations (Scopus)

• Spoon or slide? The non-linear matter power spectrum in the presence of massive neutrinos

  Hannestad, S., Upadhye, A. & Wong, Y. Y. Y., Nov 2020, In: Journal of Cosmology and Astroparticle Physics. 2020, 11, 062.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  File

  • Power Spectra 100%
  • Neutrino Masses 33%
  17 Citations (Scopus)

  108 Downloads (Pure)

• Sterile neutrino self-interactions: $H_0$ tension and short-baseline anomalies

  Archidiacono, M., Gariazzo, S., Giunti, C., Hannestad, S. & Tram, T., Dec 2020, In: Journal of Cosmology and Astroparticle Physics. 2020, 12, 21 p., 029.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  File

  • Neutrino Oscillations 100%
  • Short Baseline 100%
  • Cosmic Microwave Background 50%
  • Neutrino Masses 50%
  • Early Universe 50%
  33 Citations (Scopus)

  100 Downloads (Pure)

• Updated results on neutrino mass and mass hierarchy from cosmology with Planck 2018 likelihoods

  Choudhury, S. R. & Hannestad, S., Jul 2020, In: Journal of Cosmology and Astroparticle Physics. 2020, 7, 037.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Neutrino Masses 100%
  • Cosmological Models 50%
  88 Citations (Scopus)

• What will it take to measure individual neutrino mass states using cosmology?

  Archidiacono, M., Hannestad, S. & Lesgourgues, J., Sept 2020, In: Journal of Cosmology and Astroparticle Physics. 2020, 9, 22 p., 021.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Neutrino Masses 100%
  • Parameter Estimation 20%
  • Cosmological Parameters 20%
  • Cosmic Microwave Background 20%
  • Flux Density 20%
  38 Citations (Scopus)
• 2019

  Dark energy perturbations in N-body simulations

  Dakin, J., Hannestad, S., Tram, T., Knabenhans, M. & Stadel, J., 12 Aug 2019, In: Journal of Cosmology and Astroparticle Physics. 8, 19 p., 013.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • N-Body Simulations 100%
  • General Relativity 20%
  • Dark Matter 20%
  15 Citations (Scopus)

• Fully relativistic treatment of decaying cold dark matter in N-body simulations

  Dakin, J., Hannestad, S. & Tram, T., 2019, In: Journal of Cosmology and Astroparticle Physics. 6, 18 p., 32.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Scale Effect 100%
  11 Citations (Scopus)

• Fully relativistic treatment of light neutrinos in N-body simulations

  Tram, T., Brandbyge, J., Dakin, J. & Hannestad, S., Mar 2019, In: Journal of Cosmology and Astroparticle Physics. 2019, 3, 022.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • N-Body Simulations 100%
  • Perturbation Theory 100%
  • General Relativity 50%
  • Equation of Motion 50%
  25 Citations (Scopus)

• MeV-scale reheating temperature and thermalization of oscillating neutrinos by radiative and hadronic decays of massive particles

  Hasegawa, T., Hiroshima, N., Kohri, K., Hansen, R. S. L., Tram, T. & Hannestad, S., Dec 2019, In: Journal of Cosmology and Astroparticle Physics. 2019, 12, p. 012 31 p., 012.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Big Bang Nucleosynthesis 100%
  • Gravitational Interaction 100%
  • Particle Mass 100%
  222 Citations (Scopus)

• Momentum space sampling of neutrinos in N-body simulations

  Brandbyge, J., Hannestad, S. & Tram, T., Mar 2019, In: Journal of Cosmology and Astroparticle Physics. 2019, 3, 16 p., 047.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • N-Body Simulations 100%
  • Thermal Velocity 50%
  • Power Spectra 50%
  • Distribution Function 50%
  • Dark Matter 50%
  3 Citations (Scopus)

• Time-varying neutrino mass from a supercooled phase transition: Current cosmological constraints and impact on the Ωm-σ8 plane

  Lorenz, C. S., Funcke, L., Calabrese, E. & Hannestad, S., 15 Jan 2019, In: Physical Review D. 99, 2, 12 p., 023501.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Neutrino Masses 100%
  • Cosmic Microwave Background 28%
  • Type Ia Supernovae 14%
  • Baryon Acoustic Oscillations 14%
  34 Citations (Scopus)

• νCONCEPT: Cosmological neutrino simulations from the non-linear Boltzmann hierarchy

  Dakin, J., Brandbyge, J., Hannestad, S., Haugbølle, T. & Tram, T., 26 Feb 2019, In: Journal of Cosmology and Astroparticle Physics. 2019, 2, 30 p., 052.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Neutrino Masses 100%
  • Cosmological Neutrinos 100%
  • Power Spectra 100%
  • Nonlinear Effect 50%
  • N-Body Simulations 50%
  41 Citations (Scopus)
• 2017

  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, S. H., Hassel, C., Heeck, J., Hofmann, F., Houdy, T., Huber, A., Lakubovskyi, 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.-O., Rest, O., Robinson, D. J., Rodrigues da Silva, P. S., Ruchayskiy, O., 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., 13 Jan 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 1, 247 p., 025.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Dark Matter 100%
  • Particle Physics 80%
  • Physics 20%
  • Standard Model 20%
  • Nuclear Physics 20%
  403 Citations (Scopus)

• Constraining dynamical neutrino mass generation with cosmological data

  Koksbang, S. M. & Hannestad, S., 11 Sept 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 9, 20 p., 014.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Neutrino Masses 100%
  • Supernovae 20%
  14 Citations (Scopus)

• Cosmological N -body simulations including radiation perturbations

  Brandbyge, J., Rampf, C., Tram, T., Leclercq, F., Fidler, C. & Hannestad, S., 21 Mar 2017, In: Royal Astronomical Society. Monthly Notices. Letters (Print). 466, 1, p. L68-L72

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  File

  • Cosmological N-body Simulations 100%
  • Hybrid Simulation 100%
  • General Relativity 100%
  • Relativistic Effect 100%
  • N-Body Simulations 100%
  28 Citations (Scopus)

  152 Downloads (Pure)

• Cosmological N-body simulations with generic hot dark matter

  Brandbyge, J. & Hannestad, S., 16 Oct 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 10, 19 p., 015.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Hot Dark Matter 100%
  • N-Body Simulations 100%
  • Nonlinear Effect 50%
  • Power Spectra 50%
  8 Citations (Scopus)

• Fourier imaging of non-linear structure formation

  Brandbyge, J. & Hannestad, S., 19 Apr 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 4, 22 p., 032.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  • Fourier Imaging 100%
  • Nonlinear Structure Formation 100%
  • Vorticity 100%
  • Coupled Mode 100%
  • Nonlinear 100%
  1 Citation (Scopus)

• Linear scale bounds on dark matter--dark radiation interactions and connection with the small scale crisis of cold dark matter

  Hannestad, S., Archidiacono, M., Bohr, S., Jørgensen, J. H. & Lesgourgues, J., 8 Nov 2017, In: Journal of Cosmology and Astroparticle Physics. 1711, 11, 7 p., 010.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access
  22 Citations (Scopus)

• Measuring the velocity field from type Ia supernovae in an LSST-like sky survey

  Odderskov, I. & Hannestad, S., 30 Jan 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 1, 24 p., 060.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • Velocity Power Spectra 100%
  • Velocity Field 100%
  • Sky Surveys 100%
  • Type Ia Supernovae 100%
  • Power Spectra 100%
  5 Citations (Scopus)

• Statistical sensitivity on right-handed currents in presence of eV scale sterile neutrinos with KATRIN

  Steinbrink, N. M. N., Glueck, F., Heizmann, F., Kleesiek, M., Valerius, K., Weinheimer, C. & Hannestad, S., 9 Jun 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 6, 24 p., 015.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  • KATRIN 100%
  • Right-handed Current 100%
  • Right-handed 100%
  • Standard Model 100%
  • W Boson 66%
  6 Citations (Scopus)

• The effect of early radiation in N-body simulations of cosmic structure formation

  Adamek, J., Brandbyge, J., Fidler, C., Hannestad, S., Rampf, C. & Tram, T., 1 Sept 2017, In: Royal Astronomical Society. Monthly Notices. 470, 1, p. 303-313 11 p., stx1157.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  Open Access

  File

  • General Relativity 100%
  • N-Body Simulations 100%
  • Power Spectra 50%
  28 Citations (Scopus)

  178 Downloads (Pure)

• The variance of the locally measured Hubble parameter explained with different estimators

  Odderskov, I. S. H., Hannestad, S. & Brandbyge, J., 13 Mar 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 3, 16 p., 022.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
  19 Citations (Scopus)

• Visualizing the Invisible Universe

  Hannestad, S., 22 Aug 2017, The Aesthetics of Scientific Data Representation: More than pretty pictures. Philipsen, L. & Schmidt Kjærgaard, R. (eds.). Routledge, p. 48-56 9 p.

  Research output: Contribution to book/anthology/report/proceeding › Book chapter › Research › peer-review
• 2016

  A White Paper on keV Sterile Neutrino Dark Matter

  Adhikari, R., Agostini, M., Ky, N. A., Araki, T., Archidiacono, M., Bahr, M., Behrens, J., Bezrukov, F., Bhupal Dev, P. S., 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. & Durero, M. & 109 others, Dragoun, O., Drewes, M., Düllmann, 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., Glück, F., Goodman, M. C., Gonzalez-Garcia, M. C., Gorbunov, D., Hamann, J., Hannestad, S., Heeck, J., Hannen, V., Hansen, S. H., Hassel, C., Hofmann, F., Houdy, T., Huber, A., Iakubovskyi, D., Ianni, A., Ibarra, A., Jacobsson, R., Jeltema, T., 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., Monreal, 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., Pastor, S., Patwardhan, A., Pilaftsis, A., Radford, D. C., Ranitzsch, P.C.-O., Rest, O., Robinson, D. J., Rodrigues da Silva, P. S., Ruchayskiy, O., Sanchez, N. G., Sasaki, M., Saviano, N., Schneider, A., Schneider, F., Schwetz, T., Schönert, S., Shankar, F., Steinbrink, N., Strigari, L., Suekane, F., Suerfu, B., Takahashi, R., Van, N. T. H., Tkachev, I., Totzauer, M., Tsai, Y., Tully, C. G., Valerius, K., Valle, J., Venos, D., Viel, M., Wang, M. Y., Weinheimer, C., Wendt, K., Winslow, L., Wolf, J., Wurm, M., Xing, Z., Zhou, S. & Zuber, K., 1 Feb 2016, ArXiv.

  Research output: Working paper/Preprint › Preprint

  • Dark Matter 100%
  • Sterile Neutrino Dark Matter 100%
  • Particle Physics 50%
  • Physics 25%
  • Elementary Particle 25%