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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Anomalous absorption of a lower hybrid wave in a plasma with density fluctuations
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Anomalous absorption of a lower hybrid wave in a plasma with density fluctuations

机译:具有密度波动的等离子体中较低杂化波的异常吸收

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摘要

Anomalous absorption of a lower hybrid wave via mode coupling to short parallel wavelength density fluctuations in a magnetized plasma is investigated. The mode coupling produces a beat mode with the frequency of the lower hybrid wave but an enhanced parallel wave number. This mode is Landau damped on electrons. The oscillatory velocity associated with the beat mode couples with the density ripple to modify the density perturbation of the lower hybrid wave introducing anomalous resistivity. The anomalous resistivity increases with the normalized wave number of the density ripple.
机译:研究了模式耦合到磁化等离子体中的短平行波长密度波动的下混合波的异常吸收。模耦合产生具有较低杂波的频率但增强的平行波数的拍模式。该模式是朗道在电子上的阻尼。与节拍模式相关的振荡速度与密度脉动耦合,以修改引入异常电阻率的下混合波的密度扰动。异常电阻率随密度波纹的归一化波数增加。

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