High- n ideal and resistive shear Alfvén waves in tokamaks

doi:10.1016/0003-4916(85)90335-5

Open AccessJournal ArticleDOI

High- n ideal and resistive shear Alfvén waves in tokamaks

Chio-Zong Cheng, +2 more

- 15 Apr 1985 -

Annals of Physics

- Vol. 161, Iss: 1, pp 21-47

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.

Figures

Fig. 11 "Hie e i^enfunct ion of the r e s i s t i v e p e r i o d i c shear Alfven mode versus 6 for the parameters s = 0 . 2 , v = 1 0 ~ 5 , ou = 0, s = 1, •• id j2 = ( 0 . 4 4 , - 0 , 0 1 4 5 ) .

Fig. 1 The Stokes1 diagram of the potential function Q(6) in the complex 6 plane for s = 1.

Citations

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Electromagnetic global gyrokinetic simulation of shear Alfven wave dynamics in tokamak plasmas

Yasutaro Nishimura, +2 more

- 12 Apr 2007 -

Physics of Plasmas

TL;DR: In this article, a fluid-kinetic hybrid electron model was developed for toroidal geometry simulations and the wave propagation in a fully global gyrokinetic particle simulation was investigated in the long-wavelength magnetohydrodynamic limit.

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Journal ArticleDOI

Nonlinear evolution of the alpha‐particle‐driven toroidicity‐induced Alfvén eigenmode

Yanlin Wu, +3 more

- 01 Dec 1995 -

Physics of Plasmas

TL;DR: In this paper, a fast and efficient numerical algorithm using energy conservation is developed to study the interaction of high-energy particles with a toroidicity-induced Alfven eigenmode (TAE).

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Journal ArticleDOI

Nonlinear Evolution of Short-wavelength Torsional Alfvén Waves

S. V. Shestov, +6 more

- 05 May 2017 -

The Astrophysical Journal

TL;DR: In this article, the authors analyzed the nonlinear evolution of torsional Alfven waves in a straight magnetic flux tube filled in with a low-β plasma, and surrounded with a plasma of lower density.

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Journal ArticleDOI

Frequency sweeping Alfvén instabilities driven by super-Alfvénic beams in the spherical tokamak START

M.P. Gryaznevich, +1 more

- 01 May 2000 -

Nuclear Fusion

TL;DR: In this paper, a strong correlation between the initial frequency of the frequency sweeping modes f0 and the parameter VA?T-3/4, where VA is the Alfv?n velocity and T the toroidal beta, is found.

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Journal ArticleDOI

Stability Properties of Toroidal Alfven Modes Driven by Fast Particles

Nikolai Gorelenkov, +10 more

- 01 Jul 2000 -

Nuclear Fusion

TL;DR: In this paper, the instability of Toroidal Alfven Eigenmodes (TAE) is analyzed for spherical tokamaks, such as the National Spherical Torus Experiment NSTX at the Princeton Plasma Physics Laboratory using the NOVA-K code.

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References

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Harold P. Furth, +2 more

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Physics of Fluids

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Resistive instabilities in general toroidal plasma configurations

A. H. Glasser, +2 more

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Physics of Fluids

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A theory of long‐period magnetic pulsations: 2. Impulse excitation of surface eigenmode

Liu Chen, +1 more

- 01 Mar 1974 -

Journal of Geophysical Research

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.

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Decay of MHD waves by phase mixing

J. Tataronis, +1 more

- 01 Jan 1973 -

European Physical Journal A

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.

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Kinetic-ballooning-mode theory in general geometry

William Tang, +2 more

- 01 Nov 1980 -

Nuclear Fusion

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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