Electromagnetic instability of an axially inhomogeneous plasma

被引:2
作者
Smolyakov, AI [1 ]
Krasheninnikov, SI [1 ]
Tolstikhin, OI [1 ]
机构
[1] Russian Res Ctr Kurchatov Inst, Moscow 123182, Russia
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1063/1.1899160
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 electromagnetic drift instability leading to the excitation of the Alfven waves in an axially inhomogeneous plasma is investigated. The instability is driven by the axial shear of the ExB drift velocity maintained by the localized density gradient. Analytical dispersion relation has been derived in the short wavelength (WKB) limit. The eigenvalue problem has also been solved numerically by using the recently developed algebraic method. (c) 2005 American Institute of Physics.
引用
收藏
页码:1 / 6
页数:6
相关论文
共 25 条
[1]   ELECTRON-TEMPERATURE GRADIENT INDUCED INSTABILITY IN TOKAMAK SCRAPE-OFF LAYERS [J].
BERK, HL ;
COHEN, RH ;
RYUTOV, DD ;
TSIDULKO, YA ;
XU, XQ .
NUCLEAR FUSION, 1993, 33 (02) :263-282
[2]   TEMPERATURE-GRADIENT INSTABILITY INDUCED BY CONDUCTING END WALLS [J].
BERK, HL ;
RYUTOV, DD ;
TSIDULKO, YA .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1991, 3 (06) :1346-1354
[3]  
BERK HL, 1997, COMMENTS PLASMA PHYS, V18, P169
[4]   Blobs and front propagation in the scrape-off layer of magnetic confinement devices [J].
Bian, N ;
Benkadda, S ;
Paulsen, JV ;
Garcia, OE .
PHYSICS OF PLASMAS, 2003, 10 (03) :671-676
[5]   Transport by intermittent convection in the boundary of the DIII-D tokamak [J].
Boedo, JA ;
Rudakov, D ;
Moyer, R ;
Krasheninnikov, S ;
Whyte, D ;
McKee, G ;
Tynan, G ;
Schaffer, M ;
Stangeby, P ;
West, P ;
Allen, S ;
Evans, T ;
Fonck, R ;
Hollmann, E ;
Leonard, A ;
Mahdavi, A ;
Porter, G ;
Tillack, M ;
Antar, G .
PHYSICS OF PLASMAS, 2001, 8 (11) :4826-4833
[6]  
DILPPOLITO DA, 2003, PHYS PLASMAS, V10, P4029
[7]   THE ELECTRON-TEMPERATURE GRADIENT INSTABILITY IN PRESENCE OF A LIMITER WITH TILTED PLATES [J].
FARINA, D ;
POZZOLI, R ;
RYUTOV, D .
CONTRIBUTIONS TO PLASMA PHYSICS, 1994, 34 (2-3) :253-258
[8]   A MODEL FOR THE TURBULENCE IN THE SCRAPE-OFF LAYER OF TOKAMAKS [J].
GARBET, X ;
LAURENT, L ;
ROUBIN, JP ;
SAMAIN, A .
NUCLEAR FUSION, 1991, 31 (05) :967-972
[9]  
GORDEEV AV, 1969, SOV PHYS JETP-USSR, V28, P1226
[10]  
Kadomtsev B. B., 1970, REV PLASMA PHYS, V5, P249