Measurement of internal magnetic field fluctuations in a reversed-field pinch by Faraday rotation.
Measurement of internal magnetic field fluctuations in a reversed-field pinch by Faraday rotation.
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DOI：
10.1103/physrevlett.90.035002
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发表时间：
2003-01
影响因子：
8.6
通讯作者：
W. Ding;D. Brower;S. Terry;D. Craig;S. Prager;J. Sarff;John C. Wright
中科院分区：
文献类型：
--
作者：
W. Ding;D. Brower;S. Terry;D. Craig;S. Prager;J. Sarff;John C. Wright
利用一种新研制的快速偏振测量系统，测量了高温反场箍缩核中的磁场涨落（以及相关的电流扰动）。在标准反向场箍缩放电中测得径向磁场波动水平约为1%，在碰撞过程中（增强型发电机），径向磁场波动水平增加到约4%。的波动水平降低四倍的高约束等离子体的核心共振撕裂模式被抑制。
Magnetic field fluctuations (and the associated current perturbation) have been measured in the core of a high-temperature reversed-field pinch using a newly developed fast-polarimetry system. Radial magnetic field fluctuation levels of approximately 1% are measured in standard-reversed-field pinch discharges which increase to approximately 4% during the sawtooth crash (enhanced dynamo). The fluctuation level is reduced fourfold for high-confinement plasmas where the core-resonant tearing modes are suppressed.