| 随机磁场对波驱动电流的影响 |
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| 引用本文： | 夏蒙棼,仇韵清.随机磁场对波驱动电流的影响[J].物理学报,1982,31(12):90-95. |
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| 作者姓名： | 夏蒙棼 仇韵清 |
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| 作者单位： | (1)北京大学理论物理研究所; (2)北京大学物理系 |
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| 摘 要： | 本文在准线性理论基础上考虑随机磁场对波驱动电流的影响,计算了随机磁场对波驱动的电流、波的共振耗散功率及波驱动电流的效率的修正。结果表明,在等离子体的中心区和梯度区其效应是不同的。对高相速、宽谱情形,这种效应是重要的。
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| 收稿时间： | 1982-02-25 |
THE EFFECTS OF STOCHASTIC MAGNETIC FIELD ON THE WAVE-DRIVEN CURRENT |
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| XIA MENG-FEN and QIU YUN-QING.THE EFFECTS OF STOCHASTIC MAGNETIC FIELD ON THE WAVE-DRIVEN CURRENT[J].Acta Physica Sinica,1982,31(12):90-95. |
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| Authors: | XIA MENG-FEN and QIU YUN-QING |
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| Abstract: | The effects of stochastic magnetic field on the wave-driven current are studied. It is shown that in the central region of the plasma the current density and the dissi-pative power density of the waves will decrease, and the efficiency will increase. In the gradient region (outer region), however, the current density and the power density will increase, and the efficiency will decrease. These effects may be important for the tokamaks driven by the waves with high phase velocity and wide resonance width. |
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