NONLINEAR PHENOMENA IN HELICON PLASMAS

被引:0
作者
Shamrai, K. P. [1 ]
Slobodyan, V. M. [1 ]
Virko, V. F. [1 ]
Virko, Yu V. [1 ]
Gurin, A. A. [1 ]
Kirichenko, G. S. [1 ]
机构
[1] Natl Acad Sci, Inst Nucl Res, 47 Prospect Nauki, UA-03680 Kiev, Ukraine
来源
PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY | 2006年 / 06期
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中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Nonlinear phenomena stimulated by enhanced longitudinal electric field arising near the metal surfaces in helicon plasmas are analyzed theoretically. Ponderomotive effect giving rise to nonlinear instability of the edge plasma, and stochastic electron heating that increases the rf power absorption and plasma generation are considered. Experimental evidences for non-equilibrium electron energy distributions including a population of fast particles with mean energies of the order of a few tens electron-volts are presented.
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页码:84 / 88
页数:5
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