Tokamak magnetic islands in the presence of nonaxisymmetric perturbations

A. H. Reiman

doi:10.1063/1.859974

Tokamak magnetic islands in the presence of nonaxisymmetric perturbations

A. H. Reiman

PPPL Theory

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The effects of a small, externally imposed, nonaxisymmetric magnetic field perturbation on magnetic islands are studied analytically, assuming zero β, tokamak ordering, and narrow islands. For the tearing stable case, the conditions under which the self-consistent plasma response is self-healing or amplifying are elucidated. For the tearing unstable case, the quasilinear theory of tearing modes is extended to a description of locked modes.

Original language	English (US)
Pages (from-to)	2617-2625
Number of pages	9
Journal	Physics of Fluids B
Volume	3
Issue number	9
DOIs	https://doi.org/10.1063/1.859974
State	Published - 1991

All Science Journal Classification (ASJC) codes

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
General Physics and Astronomy
Fluid Flow and Transfer Processes

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10.1063/1.859974

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title = "Tokamak magnetic islands in the presence of nonaxisymmetric perturbations",

abstract = "The effects of a small, externally imposed, nonaxisymmetric magnetic field perturbation on magnetic islands are studied analytically, assuming zero β, tokamak ordering, and narrow islands. For the tearing stable case, the conditions under which the self-consistent plasma response is self-healing or amplifying are elucidated. For the tearing unstable case, the quasilinear theory of tearing modes is extended to a description of locked modes.",

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AU - Reiman, A. H.

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N2 - The effects of a small, externally imposed, nonaxisymmetric magnetic field perturbation on magnetic islands are studied analytically, assuming zero β, tokamak ordering, and narrow islands. For the tearing stable case, the conditions under which the self-consistent plasma response is self-healing or amplifying are elucidated. For the tearing unstable case, the quasilinear theory of tearing modes is extended to a description of locked modes.

AB - The effects of a small, externally imposed, nonaxisymmetric magnetic field perturbation on magnetic islands are studied analytically, assuming zero β, tokamak ordering, and narrow islands. For the tearing stable case, the conditions under which the self-consistent plasma response is self-healing or amplifying are elucidated. For the tearing unstable case, the quasilinear theory of tearing modes is extended to a description of locked modes.

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U2 - 10.1063/1.859974

DO - 10.1063/1.859974

M3 - Article

AN - SCOPUS:2542426591

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EP - 2625

JO - Physics of Fluids B

JF - Physics of Fluids B

IS - 9

ER -

Tokamak magnetic islands in the presence of nonaxisymmetric perturbations

Abstract

All Science Journal Classification (ASJC) codes

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