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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High-n stability of alpha particle driven Alfven eigenmodes

Gregorio Vlad, +2 more

- 01 Dec 1995 -

Nuclear Fusion

TL;DR: In this article, the authors analyse the 2D mode structures and global stability of the Alfven branches, whose frequencies are close to the toroidicity induced Alfven continuum gap.

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Journal ArticleDOI

Gyrokinetic analysis of low-n shear Alfvén and ion sound wave spectra in a high-beta tokamak plasma

Andreas Bierwage, +1 more

- 07 Sep 2017 -

Nuclear Fusion

TL;DR: In this paper, the structure of the continuous spectra of shear Alfven waves (SAW) and ion sound waves (ISW) in a high-beta JT-60U tokamak plasma was studied.

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Journal ArticleDOI

Alfvén Eigenmodes and Neoclassical tearing modes for orbit-following implementations

Eero Hirvijoki, +6 more

- 01 Dec 2012 -

Computer Physics Communications

TL;DR: This work extends the previous work to accommodate time-dependent modes in non-axisymmetric magnetic fields to accommodate the orbit-following studies of Alfven Eigenmodes and Neoclassical tearing modes.

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Journal ArticleDOI

Toroidal Alfvén eigenmodes with nonlinear gyrokinetic and fluid hybrid models

Michael Cole, +5 more

- 23 Feb 2017 -

Physics of Plasmas

TL;DR: In this paper, the first simulations of nonlinear waveparticle interaction between an energetic particle population and a Toroidal Alfven Eigenmode are performed in which fluctuations responding self-consistently to modification of the fast particle profile are calculated with gyrokinetic treatment of all plasma species.

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Journal ArticleDOI

Shear Alfvén and acoustic continuum in general axisymmetric toroidal geometry

M. V. Falessi, +5 more

- 05 Aug 2019 -

Physics of Plasmas

TL;DR: Chen and Zonca as mentioned in this paper introduced the continuous spectrum of shear Alfven and ion sound waves propagating along magnetic field lines and solved in the ballooning space for general geometry in the ideal MHD limit.

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References

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Journal ArticleDOI

Finite‐Resistivity Instabilities of a Sheet Pinch

Harold P. Furth, +2 more

- 01 Apr 1963 -

Physics of Fluids

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.

...read moreread less

Journal ArticleDOI

Resistive instabilities in general toroidal plasma configurations

A. H. Glasser, +2 more

- 01 Jul 1975 -

Physics of Fluids

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.

...read moreread less

Journal ArticleDOI

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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Journal ArticleDOI

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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Journal ArticleDOI

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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