PARTICLE-TRANSPORT DUE TO MAGNETIC FLUCTUATIONS

被引:78
作者
STONEKING, MR [1 ]
HOKIN, SA [1 ]
PRAGER, SC [1 ]
FIKSEL, G [1 ]
JI, H [1 ]
DENHARTOG, DJ [1 ]
机构
[1] UNIV WISCONSIN, DEPT PHYS, MADISON, WI 53706 USA
关键词
D O I
10.1103/PhysRevLett.73.549
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Electron current fluctuations are measured with an electrostatic energy analyzer at the edge of the MST reversed-field pinch plasma. The radial flux of fast electrons (E > T(ea)) due to parallel streaming along a fluctuating magnetic field is determined locally by measuring the correlated product [J(e)B(r)]. Particle transport is small just inside the last closed flux surface (GAMMA(e,mag) < 0.1 GAMMA(e,total)), but can account for all observed particle losses inside r/a = 0.85. Electron diffusion is found to increase with parallel velocity, as expected for diffusion in a region of field stochasticity.
引用
收藏
页码:549 / 552
页数:4
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