High- n ideal and resistive shear Alfvén waves in tokamaks
TLDR
In this paper, the ideal and resistive MHD equations for the shear Alfven waves are studied in a low-β toroidal model by employing the high-n ballooning formalism.About:
This article is published in Annals of Physics.The article was published on 1985-04-15 and is currently open access. It has received 450 citations till now. The article focuses on the topics: Resistive touchscreen.read more
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MHD and resonant instabilities in JT-60SA during current ramp-up with off-axis N-NB injection
A Bierwage,M Toma,K Shinohara +2 more
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Study of fast-ion transport induced by fishbones on JET
C. Perez von Thun,A. Salmi,A. Perona,S. E. Sharapov,S. D. Pinches,Sergey Popovichev,Sean Conroy,V. G. Kiptily,M. Brix,Marco Cecconello,Thomas Johnson +10 more
TL;DR: In this article, the impact of fishbone oscillations on a confined fast-ion population is simulated for a JET plasma and benchmarked against experiment quantitatively with the help of neutron rate measurements.
Journal ArticleDOI
Non-linear analysis of the toroidicity induced Alfven eigenmode
Roscoe White,Yanlin Wu,Y. Chen,E.D. Fredrickson,D.S. Darrow,M. C. Zarnstorff,J. R. Wilson,S. J. Zweben,K. W. Hill,Guoyong Fu,M. N. Rosenbluth +10 more
TL;DR: In this paper, a fast and efficient numerical algorithm using energy conservation was developed to study the interaction of high energy particles with a toroidicity induced Alfven eigenmode (TAE).
Journal ArticleDOI
Ion acoustic kinetic Alfvén rogue waves in two temperature electrons superthermal plasmas
TL;DR: In this article, a nonlinear analysis is carried out to derive the Korteweg-de Vries (KdV) equation using the reductive perturbation method (RPM) describing the evolution of solitary waves.
Journal ArticleDOI
Comparison of toroidicity-induced Alfvén eigenmodes and energetic particle modes by gyrokinetic particle simulations
TL;DR: In this article, a linear global gyrokinetic particle simulations of the excitation of toroidicity-induced Alfven eigenmodes (TAE) and energetic particle modes (EPM) were performed.
References
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Finite‐Resistivity Instabilities of a Sheet Pinch
TL;DR: In this paper, the stability of a plane current layer is analyzed in the hydromagnetic approximation, allowing for finite isotropic resistivity, and the effect of a small layer curvature is simulated by a gravitational field.
Journal ArticleDOI
Resistive instabilities in general toroidal plasma configurations
TL;DR: In this article, the Mercier criterion for the stability of the ideal magnetohydrodynamic interchange mode is derived, the generalization of the earlier stability criterion for resistive interchange mode was obtained, and a relation between the two was noted.
Journal ArticleDOI
A theory of long‐period magnetic pulsations: 2. Impulse excitation of surface eigenmode
Liu Chen,Akira Hasegawa +1 more
TL;DR: In this paper, a wave equation that shows a coupling between a surface wave and a shear Alfven wave is derived, and a theory of long-period magnetic pulsations (Pc 3 to Pc 5) is presented as an initial value problem to explain impulse-excited pulsations.
Journal ArticleDOI
Decay of MHD waves by phase mixing
J. Tataronis,W. Grossmann +1 more
TL;DR: In this article, the authors examined the dispersion relation for plasmas with non-uniform profiles and compared the results with those of a sharp boundary model, showing that the frequency of the waves is a complex quantity having a real and imaginary part.
Journal ArticleDOI
Kinetic-ballooning-mode theory in general geometry
TL;DR: In this article, a systematic procedure for studying the influence of kinetic effects on the stability of MHD ballooning modes is presented, which includes effects due to finite gyroradius, trapped particles, and wave-particle resonances.
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