| Zonal Flows and Geodesic Acoustic Mode Oscillations in Tokamaks and Helical Systems |
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| 作者姓名： | T. WATARI Y. HAMADA A. NISHIZAWA T. NOTAKE N. TAKEUCHI |
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| 作者单位： | [1]National Institute for Fusion Science, 322-6, Oroshi-cho, Toki-city, Gifu, Japan [2]Ariake National College of Technology 150 Higashihagio-Machi, Omuta Fukuoka, Japan |
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| 基金项目： | supported in part by the JSPS-CAS Core University Program in the field of plasma and nuclear fusion. The authors are grateful for the stimulating discussions with Drs. T. ID0, A. FUJISAWA, K, IT0H, J.T. 0D0R0KI, K. T0I and H. SUGAMA at NIFS. |
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| 摘 要： |
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| 关 键 词： | 带状流 测绘声学模振荡 托卡马克装置 螺旋体系 有限轨道效应 |
| 收稿时间： | 2005-07-30 |
| 修稿时间： | 2005-07-30 |
Zonal Flows and Geodesic Acoustic Mode Oscillations in Tokamaks and Helical Systems |
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| T. WATARI Y. HAMADA A. NISHIZAWA T. NOTAKE N. TAKEUCHI.Zonal Flows and Geodesic Acoustic Mode Oscillations in Tokamaks and Helical Systems[J].Plasma Science & Technology,2006,8(1):105-109. |
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| Authors: | T;WATARI;Y;HAMADA;A;NISHIZAWA;T;NOTAKE;N;TAKEUCHI |
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| Abstract: | This paper reviews the theoretical foundations of zonal flow, putting emphasis on the linear response function of plasma to the external flow drive. An extension of the theory is made in order to apply it to helical systems and to study the properties of the zonal flow in the low frequency range. Further refinement of the theory is made incorporating the orbital effects of particles more precisely, and the role of neoclassical polarization current is identified. |
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| Keywords: | zonal flow geodesic acousti mode finite orbit effect coupling to ion acoustic mode |
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