World's Best Scientists 2026 revealed!

D-Index & Metrics

Physics

D-Index
125
Citations
66290
World Ranking
660
National Ranking
365

James S. Bullock 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 James S. Bullock 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: 412 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

James S. Bullock 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 James S. Bullock 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: 125 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2008 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

James S. Bullock is affiliated with the University of California, Irvine in the United States. Their research primarily focuses on Physics and Astronomy, with significant contributions in the subfields of Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics, Statistical and Nonlinear Physics, and to a lesser extent, General Health Professions.

Their scholarly output spans 192 publications, with a concentration in topics related to the formation, evolution, and phenomena of galaxies. Other notable research areas include astronomy and astrophysical research, stellar, planetary, and galactic studies, astrophysics and star formation studies, dark matter and cosmic phenomena, cosmology and gravitation theories, as well as scientific research and discoveries.

James S. Bullock's work is frequently published in several venues, most notably in the Monthly Notices of the Royal Astronomical Society with 32 publications. Other key publication outlets include arXiv (Cornell University), The Astrophysical Journal, The Astrophysical Journal Supplement Series, and The American Journal of Gastroenterology.

Recent papers authored or co-authored by Bullock illustrate a strong engagement with galaxy formation and cosmic phenomena. Some of these publications include:

  • A dark matter profile to model diverse feedback-induced core sizes of ΛCDM haloes, 2020, Monthly Notices of the Royal Astronomical Society
  • Public Data Release of the FIRE-2 Cosmological Zoom-in Simulations of Galaxy Formation, 2023, The Astrophysical Journal Supplement Series
  • FIRE-3: updated stellar evolution models, yields, and microphysics and fitting functions for applications in galaxy simulations, 2022, Monthly Notices of the Royal Astronomical Society
  • The time-scales probed by star formation rate indicators for realistic, bursty star formation histories from the FIRE simulations, 2020, Monthly Notices of the Royal Astronomical Society
  • Spatially resolved star formation and fuelling in galaxy interactions, 2020, Monthly Notices of the Royal Astronomical Society

Collaborations play a significant role in Bullock's research. Frequent co-authors include Michael Boylan-Kolchin, Andrew Wetzel, Philip F. Hopkins, Jorge Moreno, and Claude-André Faucher-Giguère, reflecting an interdisciplinary approach to astrophysical research.

Among awards, James S. Bullock was named a Fellow of the American Association for the Advancement of Science (AAAS) in 2008, recognizing contributions within the scientific community.

Best Publications

  • LSST: from Science Drivers to Reference Design and Anticipated Data Products

    Željko Ivezić;Steven M. Kahn;J. Anthony Tyson;Bob Abel

  • Profiles of dark haloes: evolution, scatter and environment

    James S. Bullock;James S. Bullock;Tsafrir S. Kolatt;Tsafrir S. Kolatt;Yair Sigad;Rachel S. Somerville;Rachel S. Somerville

  • Too big to fail? The puzzling darkness of massive Milky Way subhaloes

    Michael Boylan-Kolchin;James S. Bullock;Manoj Kaplinghat

  • Galaxies on FIRE (Feedback In Realistic Environments): stellar feedback explains cosmologically inefficient star formation

    Philip F. Hopkins;Philip F. Hopkins;Dušan Kereš;José Oñorbe;Claude André Faucher-Giguère;Claude André Faucher-Giguère

  • LSST: From Science Drivers to Reference Design and Anticipated Data Products

    Željko Ivezić;Steven M. Kahn;J. Anthony Tyson;Bob Abel

  • Concentrations of Dark Halos from Their Assembly Histories

    Risa H. Wechsler;James S. Bullock;Joel R. Primack;Andrey V. Kravtsov

  • LSST Science Book, Version 2.0

    Paul A. Abell;Julius Allison;Scott F. Anderson

  • Tracing Galaxy Formation with Stellar Halos. I. Methods

    James S. Bullock;Kathryn V. Johnston

  • A Universal Angular Momentum Profile for Galactic Halos

    James S. Bullock;Avishai Dekel;Tsafrir S. Kolatt;Andrey V. Kravtsov

  • REIONIZATION AND THE ABUNDANCE OF GALACTIC SATELLITES

    James S. Bullock;Andrey V. Kravtsov;David H. Weinberg

  • Small-Scale Challenges to the $\Lambda$CDM Paradigm.

    James S. Bullock;Michael Boylan-Kolchin

  • FIRE-2 simulations: physics versus numerics in galaxy formation

    Philip F. Hopkins;Andrew Wetzel;Andrew Wetzel;Andrew Wetzel;Dušan Kereš;Claude André Faucher-Giguère

  • The Milky Way's bright satellites as an apparent failure of LCDM

    Michael Boylan-Kolchin;James S. Bullock;Manoj Kaplinghat

  • The Milky Way’s bright satellites as an apparent failure of ΛCDM

    Michael Boylan-Kolchin;James S. Bullock;Manoj Kaplinghat

  • Cosmological Simulations with Self-Interacting Dark Matter I: Constant Density Cores and Substructure

    Miguel Rocha;Annika H. G. Peter;James S. Bullock;Manoj Kaplinghat

  • Accurate masses for dispersion-supported galaxies

    Joe Wolf;Gregory D. Martinez;James S. Bullock;Manoj Kaplinghat

  • The Universal Stellar Mass-Stellar Metallicity Relation for Dwarf Galaxies

    Evan N. Kirby;Judith G. Cohen;Puragra Guhathakurta;Lucy Cheng

  • Small-Scale Challenges to the ΛCDM Paradigm

    James S. Bullock;Michael Boylan-Kolchin

  • The Shape of Dark Matter Halos: Dependence on Mass, Redshift, Radius, and Formation

    Brandon Allgood;Ricardo A. Flores;Joel R. Primack;Andrey V. Kravtsov

  • Multi-Phase Galaxy Formation: High Velocity Clouds and the Missing Baryon Problem

    Ariyeh H. Maller;James S. Bullock

Frequent Co-Authors

Michael Boylan-Kolchin
Michael Boylan-Kolchin The University of Texas at Austin
Joel R. Primack
Joel R. Primack University of California, Santa Cruz
Andrey V. Kravtsov
Andrey V. Kravtsov University of Chicago
Claude André Faucher-Giguère
Claude André Faucher-Giguère Northwestern University
Risa H. Wechsler
Risa H. Wechsler Stanford University
Philip F. Hopkins
Philip F. Hopkins California Institute of Technology
Kathryn V. Johnston
Kathryn V. Johnston Columbia University
Dušan Kereš
Dušan Kereš University of California, San Diego
Puragra Guhathakurta
Puragra Guhathakurta University of California, Santa Cruz
Anatoly Klypin
Anatoly Klypin New Mexico State University

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