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首页> 外文期刊>Journal of Modern Physics >Stability Analysis of Electromagnetic Ordinary and Extraordinary Modes
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Stability Analysis of Electromagnetic Ordinary and Extraordinary Modes

机译:电磁普通模式和非常规模式的稳定性分析

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By using kinetic theory, we derived the general dispersion relations for ordinary mode (O-mode) and Extra-ordinary mode (X-mode) in anisotropic magnetized plasma. The effects of energy anisotropy, magnetic field to density ratio () and the plasma beta on the propagation characteristics, have been analyzed. The stability analysis and the growth rates have been presented. The marginal threshold condition for oscillatory and purely growing mode has been obtained for higher harmonics and we have also calculated their growth rates in terms of plasma beta and energy anisotropy . The X-mode satisfies the instability condition according to difference of geometry with the O-Mode. These modes are important for spherical tokamaks, and their coupling leads to the generation of the Bernstein mode, which causes the heating effects.
机译:利用动力学理论,推导了各向异性磁化等离子体中普通模式(O模式)和非常规模式(X模式)的一般色散关系。分析了能量各向异性,磁场密度比()和等离子体β对传播特性的影响。提出了稳定性分析和增长率。对于更高的谐波,已经获得了振荡和纯增长模式的临界阈值条件,我们还根据等离子体β和能量各向异性计算了它们的增长率。 X模式根据几何形状与O模式的差异满足不稳定性条件。这些模式对球形托卡马克很重要,它们的耦合导致生成伯恩斯坦模态,从而引起热效应。

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