World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

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

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

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Chris Hegna

Trending Scientists

Recently Published Articles