EXPERIMENTAL-EVIDENCE FOR ELECTRON-TEMPERATURE FLUCTUATIONS IN THE CORE PLASMA OF THE W7-AS STELLARATOR

被引：72
|
作者：
SATTLER, S
HARTFUSS, HJ
机构：
[1] Max-Planck-Institut für Plasmaphysik, EURATOM
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 05期
关键词：
D O I：
10.1103/PhysRevLett.72.653
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Correlation radiometry has been applied to detect for the first time electron temperature fluctuations in the core of a magnetically confined plasma by means of electron cyclotron emission. Broadband fluctuations are observed in the frequency range up to 150 kHz with levels below 1.4%. Apparent temperature fluctuations due to the finite optical depth are subtracted; the remaining electron temperature fluctuation level is significant. On the basis of reasonable considerations, the results indicate that electron temperature fluctuations can contribute to the anomalous electron heat flux.
引用
收藏
页码：653 / 656
页数：4
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