MAGNETIC ISLANDS AND THEIR EFFECTS IN TOKAMAK PLASMAS

被引：15

作者：

HEGNA, CC ^{[1
]}

CALLEN, JD ^{[1
]}

GIANAKON, TA ^{[1
]}

QU, WX ^{[1
]}

SMOLYAKOV, AI ^{[1
]}

WANG, JP ^{[1
]}

机构：

[1] DEPT PHYS,MADISON,WI 53703

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 1993年 / 35卷 / 08期

关键词：

D O I：

10.1088/0741-3335/35/8/007

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A confinement model for tokamak plasmas based on the idea that a number of low mode number magnetic islands appear, grow and interact is described. It is suggested that the fundamental topology of tokamak plasmas is given as a time-varying mix of magnetic islands, magnetic stochasticity and regions with good magnetic surfaces. The presence of magnetic islands in the plasma ''equilibrium'' can alter the mode structure and the stability boundaries of ideal ballooning modes in tokamaks. The envisioned magnetic topologies can have an important effect on our understanding and interpretation of observed fluctuations, stability properties and transport characteristics of toroidal confinement devices.

引用

页码：987 / 1002

页数：16

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