World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
39
Citations
7050
World Ranking
7638
National Ranking
2100

Chris Hegna publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Chris Hegna sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 134 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 117 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 59 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 291 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Chris Hegna D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Chris Hegna sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 128 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 349 scientists 41 D-Index: 362 scientists 42 D-Index: 425 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 94 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 24 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 39 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Research.com Recognitions

  • 2003 - Fellow of American Physical Society (APS) Citation For seminal contributions to the theory of nonideal and nonlinear magnetohydrodynamic equilibria and instabilities in toroidal, magnetically confined plasmas, specifically stellarator equilibria, magnetic islands, neoclassical tearing modes, and ballooning modes

Overview

Chris Hegna is affiliated with the University of Wisconsin-Madison in the United States. Their primary field of research is Physics and Astronomy, with a focus on nuclear and high energy physics, as well as related subfields. Their work spans several subfields including nuclear and high energy physics, astronomy and astrophysics, aerospace engineering, materials chemistry, and geochemistry and petrology.

Their research concentrates on topics associated with magnetic confinement fusion research, ionosphere and magnetosphere dynamics, solar and space plasma dynamics, fusion materials and technologies, particle accelerators and beam dynamics, laser-plasma interactions and diagnostics, and nuclear reactor physics and engineering.

Hegna has contributed to numerous papers in prominent scientific journals. Recent publications include:

  • Advancing the physics basis for quasi-helically symmetric stellarators, 2020, Journal of Plasma Physics
  • Modeling of energetic particle transport in optimized stellarators, 2021, Nuclear Fusion
  • Effect of triangularity on ion-temperature-gradient-driven turbulence, 2022, Physics of Plasmas
  • Kinetic-ballooning-mode turbulence in low-average-magnetic-shear equilibria, 2021, Journal of Plasma Physics
  • Improving the stellarator through advances in plasma theory, 2021, Nuclear Fusion

Frequent publication venues for their work include the Journal of Plasma Physics, Nuclear Fusion, Physics of Plasmas, arXiv (Cornell University), and Computer Physics Communications.

Hegna has collaborated extensively with several researchers in their field. Frequent co-authors include B. J. Faber, A. Bader, J. M. Duff, P. W. Terry, and M. J. Pueschel.

Chris Hegna was awarded the status of Fellow of the American Physical Society in 2003. The citation noted seminal contributions to the theory of nonideal and nonlinear magnetohydrodynamic equilibria and instabilities in toroidal, magnetically confined plasmas, specifically stellarator equilibria, magnetic islands, neoclassical tearing modes, and ballooning modes.

Best Publications

  • Chapter 3: MHD stability, operational limits and disruptions

    T. C. Hender;J. C. Wesley;J. Bialek;A. Bondeson

  • Beta limits in long-pulse tokamak discharges

    O. Sauter;R. J. LaHaye;Z. Chang;D. A. Gates

  • Threshold for neoclassical magnetic islands in a low collision frequency tokamak

    H. R. Wilson;J. W. Connor;R. J. Hastie;C. C. Hegna

  • On the stabilization of neoclassical magnetohydrodynamic tearing modes using localized current drive or heating

    Chris C. Hegna;James D. Callen

  • Resistive wall stabilized operation in rotating high beta NSTX plasmas

    S. A. Sabbagh;A. C. Sontag;J. Bialek;D. A. Gates

  • Effect of neoclassical toroidal viscosity on error-field penetration thresholds in tokamak plasmas.

    A. J. Cole;C. C. Hegna;J. D. Callen

  • The collisionality dependence of tokamak -limits

    H R Wilson;M Alexander;J W Connor;A M Edwards

  • Neoclassical toroidal viscosity and error-field penetration in tokamaks

    A. J. Cole;C. C. Hegna;J. D. Callen

  • The physics of neoclassical magnetohydrodynamic tearing modes

    C. C. Hegna

  • Effect of a resistive vacuum vessel on dynamo mode rotation in reversed field pinches

    Richard Fitzpatrick;S. C. Guo;D. J. Den Hartog;C. C. Hegna

  • Toroidal rotation in tokamak plasmas

    J.D. Callen;A.J. Cole;C.C. Hegna

  • Dynamics of seed magnetic island formation due to geometrically coupled perturbations

    C. C. Hegna;J. D. Callen;R. J. LaHaye

  • Kinetic theory of the presheath and the Bohm criterion

    S D Baalrud;C C Hegna

  • Computational modeling of fully ionized magnetized plasmas using the fluid approximation

    Dalton D. Schnack;Daniel C. Barnes;Dylan P. Brennan;Chris C. Hegna

  • Instability-enhanced collisional friction can determine the Bohm criterion in multiple-ion-species plasmas.

    S. D. Baalrud;C. C. Hegna;J. D. Callen

  • STABILITY OF TEARING MODES IN TOKAMAK PLASMAS

    Unknown

  • Two-fluid tearing instability in force-free magnetic configuration

    V. V. Mirnov;C. C. Hegna;S. C. Prager

  • Growth of ideal magnetohydrodynamic modes driven slowly through their instability threshold: Application to disruption precursors

    James D. Callen;Chris C. Hegna;Bradley W. Rice;Edward J. Strait

  • Resistive wall mode stabilization of high-β plasmas in the National Spherical Torus Experimenta)

    Aaron C. Sontag;S. A. Sabbagh;W. Zhu;J. M. Bialek

  • Edge localized linear ideal magnetohydrodynamic instability studies in an extended-magnetohydrodynamic code

    B. J. Burke;S. E. Kruger;C. C. Hegna;P. Zhu

  • Fast flow phenomena in a toroidal plasma

    Daniel J. Den Hartog;Abdulgader F. Almagri;James Tharp Chapman;Hantao Ji

  • Toroidal coupling of ideal magnetohydrodynamic instabilities in tokamak plasmas

    C. C. Hegna;J. W. Connor;R. J. Hastie;H. R. Wilson

Frequent Co-Authors

Andrew J. Cole
Andrew J. Cole Harvard University
H. Zohm
H. Zohm Max Planck Institute for Plasma Physics
Amitava Bhattacharjee
Amitava Bhattacharjee Princeton University
Katsumi Ida
Katsumi Ida National Institutes of Natural Sciences
S.A. Sabbagh
S.A. Sabbagh Columbia University
R.J. La Haye
R.J. La Haye General Atomics (United States)
Marshall N. Rosenbluth
Marshall N. Rosenbluth University of California, San Diego
Joachim Raeder
Joachim Raeder University of New Hampshire
S. Brezinsek
S. Brezinsek Forschungszentrum Jülich
Thomas M. Antonsen
Thomas M. Antonsen University of Maryland, College Park

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