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Nickolay Y. Gnedin
Scientist II, Fermilab; Professor, The University of Chicago
Ph.D., Princeton University, 1996
Contact Information Phone: (773) 834-4388 Location: ERC 409 Email: gnedin fnal.gov WWW: Web Site Research Computer simulation: how galaxies reionize the universe My research interests range from General Relativity to physics of the interstellar medium to cosmology. Right now, for most of the time I work on numerical cosmological simulations, including (but not limited to) simulating galaxy formation, formation of supermassive black holes, and evolution of the intergalactic medium. I like doing numerics and working with a computer. This often includes quite sophisticated visualization of the simulation results, so, I guess, I am a little bit a movie director as well. Isn't it great to direct a movie where galaxies and stars are the actors?! Talks, Lectures, & Workshops Currently in Committees - Conferences, Workshops and Visitors committee
KICP Publications 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006Latest Journal Publications - "The Effect of Warm Dark Matter on Early Star Formation Histories of Massive Galaxies: Predictions from the CROC Simulations", arXiv:1909.10025 (Sep 2019)
- "Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies", The Astrophysical Journal, Volume 882, Issue 2, article id. 152, 5 pp. (2019) (Sep 2019)
- "Hierarchical Particle Mesh: An FFT-accelerated Fast Multipole Method", The Astrophysical Journal Supplement Series, Volume 243, Issue 2, article id. 19, 7 pp. (2019) (Aug 2019)
- "Constraining the Tail End of Reionization Using Lyα Transmission Spikes", The Astrophysical Journal, Volume 876, Issue 1, article id. 31, 13 pp. (2019) (May 2019)
- "Cosmic Reionization On Computers: Reionization Histories of Present-day Galaxies", arXiv:1903.06179 (Mar 2019)
- "What Sets the Slope of the Molecular Kennicutt-Schmidt Relation?", The Astrophysical Journal, Volume 870, Issue 2, article id. 79, 17 pp. (2019) (Jan 2019)
- "Constraints on the Duty Cycles of Quasars at z ˜ 6", The Astrophysical Journal, Volume 868, Issue 2, article id. 126, 6 pp. (2018) (Dec 2018)
- "Baryonic Effects in Cosmic Shear Tomography: PCA Parameterization and the Importance of Extreme Baryonic Models", The Astrophysical Journal, Volume 863, Issue 2, article id. 173, 6 pp. (2018) (Aug 2018)
- "Star Cluster Formation in Cosmological Simulations. II. Effects of Star Formation Efficiency and Stellar Feedback", The Astrophysical Journal, Volume 861, Issue 2, article id. 107, 19 pp. (2018) (Jul 2018)
- "How Galaxies Form Stars: The Connection between Local and Global Star Formation in Galaxy Simulations", The Astrophysical Journal, Volume 861, Issue 1, article id. 4, 20 pp. (2018) (Jul 2018)
- "Enforcing the Courant-Friedrichs-Lewy condition in explicitly conservative local time stepping schemes", Journal of Computational Physics, Volume 359, p. 93-105 (Apr 2018)
- "Was there an early reionization component in our universe?", Journal of Cosmology and Astroparticle Physics, Issue 04, article id. 024 (2018) (Apr 2018)
- "Warm Dark Matter and Cosmic Reionization", The Astrophysical Journal, Volume 852, Issue 2, article id. 139, 7 pp. (2018) (Jan 2018)
- "The Physical Origin of Long Gas Depletion Times in Galaxies", The Astrophysical Journal, Volume 845, Issue 2, article id. 133, 17 pp. (2017) (Aug 2017)
- "Cosmic Reionization on Computers: Properties of the Post-reionization IGM", The Astrophysical Journal, Volume 841, Issue 1, article id. 26, 7 pp. (2017) (May 2017)
- "The Spectral Evolution of the First Galaxies. III. Simulated James Webb Space Telescope Spectra of Reionization-epoch Galaxies with Lyman-continuum Leakage", The Astrophysical Journal, Volume 836, Issue 1, article id. 78, 12 pp. (2017) (Feb 2017)
- "Impact of Baryonic Physics on Intrinsic Alignments", The Astrophysical Journal, Volume 834, Issue 2, article id. 169, 10 pp. (2017) (Jan 2017)
- "Star Cluster Formation in Cosmological Simulations. I. Properties of Young Clusters", The Astrophysical Journal, Volume 834, Issue 1, article id. 69, 16 pp. (2017) (Jan 2017)
- "On the Proper Use of the Reduced Speed of Light Approximation", The Astrophysical Journal, Volume 833, Issue 1, article id. 66, 4 pp. (2016) (Dec 2016)
- "The Effects of Dark Matter Annihilation on Cosmic Reionization", The Astrophysical Journal, Volume 833, Issue 2, article id. 162, 7 pp. (2016) (Dec 2016)
Latest Conference Proceedings - "Revisiting The First Galaxies: The Epoch of Population III Stars", American Astronomical Society, AAS Meeting #221, id.#129.03 (Jan 2013)
- "Fueling Supermassive Black Holes in High-Resolution Cosmological Simulations", American Astronomical Society, AAS Meeting #217, #335.24; Bulletin of the American Astronomical Society, Vol. 43, 2011 (Jan 2011)
- "On the Kennicutt-Schmidt Relation of Low-Metallicity High-Redshift Galaxies", HUNTING FOR THE DARK: THE HIDDEN SIDE OF GALAXY FORMATION. Edited by Victor P. Debattista and Cristina C. Popescu AIP Conference Proceedings, Volume 1240, pp. 115-118 (2010) (Jun 2010)
- "Growing Supermassive Black Holes Inside Cosmological Simulations", Co-Evolution of Central Black Holes and Galaxies, Proceedings of the International Astronomical Union, IAU Symposium, Volume 267, p. 333-333 (May 2010)
- "Scaling Relations of Dwarf Galaxies without Supernova-Driven Winds", Dark Galaxies and Lost Baryons, Proceedings of the International Astronomical Union, IAU Symposium, Volume 244, p. 256-265 (May 2008)
- "From Megaparsecs to Milliparsecs: Modeling the Environments of Supermassive Black Holes with Cosmological Simulations", American Astronomical Society, AAS Meeting #211, #156.02 (Dec 2007)
- "Scaling Relations of Dwarf Galaxies without Supernova-Driven Winds", Dark Galaxies and Lost Baryons, Proceedings of the International Astronomical Union, IAU Symposium, Volume 244, p. 256-265 (Jun 2007)
Visitors Past Visitors: - Philip Hopkins, California Institute of Technology (2018)
- Elise Jennings, Durham University (2011)
- Adam Lidz, University of Pennsylvania (2010)
- Mary Putman, Columbia University (2010)
- Marcel Zemp, University of Michigan (2009)
- Xiaohui Fan, University of Arizona (2008)
- Christopher McKee, University of California, Berkeley (2008)
- Douglas Rudd, Institute for Advanced Study, Princeton (2008)
- Martin White, University of California, Berkeley (2008)
- Ann Zabludoff, Unversity of Arizona/Steward Observatory (2008)
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