High-frequency fishbones at JET: theoretical interpretation of experimental observations

被引：57
|
作者：
Zonca, F. [1 ]
Chen, L. [2 ,3 ]
Botrugno, A. [1 ]
Buratti, P. [1 ]
Cardinali, A. [1 ]
Cesario, R. [1 ]
Ridolfini, V. Pericoli [1 ]
机构：
[1] Assoc Euratom ENEA Fus, I-00044 Frascati, Italy
[2] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
[3] Zhejiang Univ, Inst Fus Theory & Simulat, Hangzhou 310027, Peoples R China
来源：
NUCLEAR FUSION | 2009年 / 49卷 / 08期
关键词：
KINETIC BALLOONING MODES; INTERNAL KINK MODES; INDUCED ALFVEN EIGENMODES; DIII-D TOKAMAK; BURNING PLASMAS; ENERGETIC PARTICLES; TOROIDAL PLASMAS; ALPHA-PARTICLES; HIGH-BETA; WAVES;
D O I：
10.1088/0029-5515/49/8/085009
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：
The existence of fishbone fluctuations at frequencies comparable to those of geodesic acoustic modes (GAM) and beta induced Alfven eigenmodes (BAE) has been demonstrated theoretically in a recent work (Zonca et al 2007 Nucl. Fusion 47 1588). Here, we show that observation of fishbones at unexpectedly high frequencies in JET (Nabais et al 2005 Phys. Plasmas 12 102509) is well interpreted as experimental evidence of high (GAM/BAE range) frequency fishbones and discuss the insights concerning both supra-thermal particles as well as thermal plasma properties that can be obtained from experimental observations.
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页数：8
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