SAWTOOTH OSCILLATIONS WITH THE CENTRAL SAFETY FACTOR, Q0, BELOW UNITY

被引：46

作者：

KOLESNICHENKO, YI ^{[1
]}

YAKOVENKO, YV ^{[1
]}

ANDERSON, D ^{[1
]}

LISAK, M ^{[1
]}

WISING, F ^{[1
]}

机构：

[1] CHALMERS UNIV TECHNOL,INST ELECTROMAGNET FIELD THEORY,S-41296 GOTHENBURG,SWEDEN

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.68.3881

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Essential experimental features of sawtooth crashes are not explained by existing theories, especially the fact that q0 remains well below unity throughout the sawtooth cycle. Here, a model consistent with experimental results is presented. The model considers the sawtooth crash as involving full reconnection of the magnetic field lines, leaving q0<1. It leads to stronger plasma redistribution than the previous reconnection model; however, q(r) may remain almost unchanged. States with q0 well below unity are shown to be possible results of different types of sawtooth crashes.

引用

页码：3881 / 3884

页数：4

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