INTERACTION OF ENERGETIC ALPHA-PARTICLES WITH INTENSE LOWER HYBRID WAVES

被引:230
作者
FISCH, NJ [1 ]
RAX, JM [1 ]
机构
[1] CEN CADARACHE,ASSOC EURATOM CEA SUR FUS CONTROLEE,F-13115 ST PAUL DURANCE,FRANCE
关键词
D O I
10.1103/PhysRevLett.69.612
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Lower hybrid waves are a demonstrated, continuous means of driving toroidal current in a tokamak. When these waves propagate in a tokamak fusion reactor, in which there are energetic alpha-particles, there are conditions under which the alpha-particles do not appreciably damp, and may even amplify, the wave, thereby enhancing the current-drive effect. Waves traveling in one poloidal direction, in addition to being directed in one toroidal direction, are shown to be the most efficient drivers of current in the presence of the energetic alpha-particles.
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页码:612 / 615
页数:4
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