Observation of fishbone-like instabilities excited by energetic electrons on the HL-2A tokamak

被引：5

作者：

Chen Wei ^{[1
]}

Ding Xuan-Tong ^{[1
]}

Liu Yi ^{[1
]}

Yuan Guo-Liang ^{[1
]}

Zhang Yi-Po ^{[1
]}

Dong Yun-Bo ^{[1
]}

Song Xian-Ying ^{[1
]}

Zhou Jun ^{[1
]}

Song Xian-Ming ^{[1
]}

Deng Wei ^{[1
]}

Yang Qing-Wei ^{[1
]}

机构：

[1] SW Inst Phys, Chengdu 610041, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 10期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1088/0256-307X/25/10/052

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Strong burst of an internal kink mode is observed on the HL-2A tokamak. Features of the fishbone-like mode are presented. The fishbone-like instabilities can be driven during electron cyclotron resonance heating (ECRH) and can be excited on the high field side (HFS) by ECRH. It is found for the first time that the modes also present themselves on the low field side (LFS) during ECRH. Experiments show that the energetic electrons with energy of 35-70 keV play a dominant role in the excitation mechanism, and the experimental results are also consistent with our calculation ones.

引用

页码：3708 / 3711

页数：4

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