D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Engineering and Technology D-index 32 Citations 5,673 265 World Ranking 6677 National Ranking 2041

Research.com Recognitions

Awards & Achievements

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

What is he best known for?

The fields of study he is best known for:

  • Quantum mechanics
  • Electron
  • Plasma

Chris Hegna spends much of his time researching Magnetohydrodynamics, Plasma, Atomic physics, Tokamak and Toroid. His Magnetohydrodynamics research incorporates themes from Mechanics, Magnetic confinement fusion and Current. His Mechanics study integrates concerns from other disciplines, such as Condensed matter physics and Reversed field pinch.

His Plasma study combines topics in areas such as Tearing and Instability. His Atomic physics research is multidisciplinary, incorporating perspectives in Ion, Electron and Diamagnetism. His study explores the link between Tokamak and topics such as Quantum electrodynamics that cross with problems in Vlasov equation and Distribution function.

His most cited work include:

  • Chapter 3: MHD stability, operational limits and disruptions (761 citations)
  • Beta limits in long-pulse tokamak discharges (353 citations)
  • Observation of nonlinear neoclassical pressure-gradient-driven tearing modes in TFTR. (306 citations)

What are the main themes of his work throughout his whole career to date?

Chris Hegna focuses on Mechanics, Plasma, Magnetohydrodynamics, Tokamak and Atomic physics. His work deals with themes such as Ballooning, Tearing, Classical mechanics and Nonlinear system, which intersect with Mechanics. His research in Plasma intersects with topics in Ion, Magnetic field and Rotation.

His biological study deals with issues like Condensed matter physics, which deal with fields such as Electron temperature. He interconnects Quantum electrodynamics and Computational physics in the investigation of issues within Tokamak. The study incorporates disciplines such as Electron and Magnetic confinement fusion in addition to Atomic physics.

He most often published in these fields:

  • Mechanics (40.14%)
  • Plasma (32.99%)
  • Magnetohydrodynamics (26.19%)

What were the highlights of his more recent work (between 2015-2021)?

  • Mechanics (40.14%)
  • Plasma (32.99%)
  • Turbulence (7.14%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Mechanics, Plasma, Turbulence, Tokamak and Stellarator. The concepts of his Mechanics study are interwoven with issues in Ballooning, Magnetohydrodynamics, Edge and Nonlinear system. Chris Hegna has researched Magnetohydrodynamics in several fields, including Instability and Resonant magnetic perturbations.

His Nonlinear system research is multidisciplinary, relying on both Electron, Quantum electrodynamics, Magnetic reconnection and Classical mechanics. His Plasma research integrates issues from Slab and Atomic physics. His Tokamak study frequently links to related topics such as Magnetohydrodynamic drive.

Between 2015 and 2021, his most popular works were:

  • Stellarator Turbulence: Subdominant Eigenmodes and Quasilinear Modeling (25 citations)
  • Theory of ITG turbulent saturation in stellarators: Identifying mechanisms to reduce turbulent transport (24 citations)
  • Field-Line Localized Destabilization of Ballooning Modes in Three-Dimensional Tokamaks. (23 citations)

In his most recent research, the most cited papers focused on:

  • Quantum mechanics
  • Electron
  • Magnetic field

Chris Hegna spends much of his time researching Mechanics, Divertor, Stellarator, Plasma and Turbulence. His Mechanics research includes themes of Tokamak, Magnetohydrodynamics and Nonlinear system. He combines subjects such as Magnetohydrodynamic drive and Dynamics with his study of Tokamak.

His research on Magnetohydrodynamics frequently links to adjacent areas such as Resonant magnetic perturbations. His Divertor study deals with Position intersecting with Beta, Nuclear magnetic resonance, Phase and Large Helical Device. His studies in Plasma integrate themes in fields like Curvature and Atomic physics.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Chapter 3: MHD stability, operational limits and disruptions

T. C. Hender;J. C. Wesley;J. Bialek;A. Bondeson.
Nuclear Fusion (2007)

1292 Citations

Beta limits in long-pulse tokamak discharges

O. Sauter;R. J. LaHaye;Z. Chang;D. A. Gates.
Physics of Plasmas (1997)

560 Citations

Observation of nonlinear neoclassical pressure-gradient-driven tearing modes in TFTR.

Z. Chang;J. D. Callen;E. D. Fredrickson;R. V. Budny.
Physical Review Letters (1995)

458 Citations

Threshold for neoclassical magnetic islands in a low collision frequency tokamak

H. R. Wilson;J. W. Connor;R. J. Hastie;C. C. Hegna.
Physics of Plasmas (1996)

382 Citations

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

Chris C. Hegna;James D. Callen.
Physics of Plasmas (1997)

291 Citations

Resistive wall stabilized operation in rotating high beta NSTX plasmas

S. A. Sabbagh;A. C. Sontag;J. Bialek;D. A. Gates.
Nuclear Fusion (2006)

185 Citations

Pedestal bifurcation and resonant field penetration at the threshold of edge-localized mode suppression in the DIII-D Tokamak.

Raffi Nazikian;Carlos Paz-Soldan;James D. Callen;John S. deGrassie.
Physical Review Letters (2015)

134 Citations

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

A. J. Cole;C. C. Hegna;J. D. Callen.
Physical Review Letters (2007)

130 Citations

The collisionality dependence of tokamak -limits

H R Wilson;M Alexander;J W Connor;A M Edwards.
Plasma Physics and Controlled Fusion (1996)

119 Citations

Neoclassical toroidal viscosity and error-field penetration in tokamaks

A. J. Cole;C. C. Hegna;J. D. Callen.
Physics of Plasmas (2008)

93 Citations

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