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
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.
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.
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.
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.
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Chapter 3: MHD stability, operational limits and disruptions
T. C. Hender;J. C. Wesley;J. Bialek;A. Bondeson.
Nuclear Fusion (2007)
Beta limits in long-pulse tokamak discharges
O. Sauter;R. J. LaHaye;Z. Chang;D. A. Gates.
Physics of Plasmas (1997)
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)
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)
On the stabilization of neoclassical magnetohydrodynamic tearing modes using localized current drive or heating
Chris C. Hegna;James D. Callen.
Physics of Plasmas (1997)
Resistive wall stabilized operation in rotating high beta NSTX plasmas
S. A. Sabbagh;A. C. Sontag;J. Bialek;D. A. Gates.
Nuclear Fusion (2006)
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)
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)
The collisionality dependence of tokamak -limits
H R Wilson;M Alexander;J W Connor;A M Edwards.
Plasma Physics and Controlled Fusion (1996)
Neoclassical toroidal viscosity and error-field penetration in tokamaks
A. J. Cole;C. C. Hegna;J. D. Callen.
Physics of Plasmas (2008)
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