Saturation of trapped particle instability induced by vortex-merging in electron plasma waves

Yang T.; Feng Q. S.; Wang Y. X.; Zhou Y. Z.; Ban S. S.; Zhang S. T.; Xie R.; Jiang Y.; Cao L. H.; Liu Z. J.; Zheng C. Y.

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Saturation of trapped particle instability induced by vortex-merging in electron plasma waves

机译：通过涡旋合并在电子等离子体波中诱导被困颗粒不稳定的饱和度

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Phase space vortex merging in electron plasma waves is researched by applying a periodically changing electric field in plasma space with Maxwellian velocity distribution. The pump electric field excites the electron plasma wave with large amplitude and electron phase space vortices are formed. The electron plasma wave can be transited to longer wave modes through vortex merging processes. Excepting the fundamental mode of electron plasma waves, two or more modes appear and grow exponentially before vortex merging. After merging, another mode replaces the initial pumping wave as the strongest wave mode. It is verified that the growth of this new strong mode is related to trapping particle instability. Vortex merging is one of the saturation mechanisms of trapped particle instability.

机译：通过在具有最大血管速度分布的等离子体空间中应用周期性地改变电场来研究电子等离子体波中的相位空间涡流。泵电场激发具有大振幅的电子等离子体波，形成电子相空间涡流。通过涡流合并过程可以将电子等离子体波转换为更长的波动模式。除了电子等离子体波的基本模式外，在涡旋合并之前，两种或更多种模式出现并呈指数级增长。合并后，另一种模式将初始泵浦波作为最强的波模式替换。验证了这种新的强模式的增长与捕获粒子不稳定有关。 Vortex合并是捕获颗粒不稳定性的饱和机制之一。

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来源
《Plasma physics and controlled fusion》 |2020年第9期|共6页
作者
Yang T.; Feng Q. S.; Wang Y. X.; Zhou Y. Z.; Ban S. S.; Zhang S. T.; Xie R.; Jiang Y.; Cao L. H.; Liu Z. J.; Zheng C. Y.;
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作者单位

Inst Appl Phys &

Computat Math Beijing 100088 Peoples R China;

Inst Appl Phys &

Computat Math Beijing 100088 Peoples R China;

Peking Univ Ctr Appl Phys &

Technol HEDPS Beijing 100871 Peoples R China;

Peking Univ Ctr Appl Phys &

Technol HEDPS Beijing 100871 Peoples R China;

Peking Univ Ctr Appl Phys &

Technol HEDPS Beijing 100871 Peoples R China;

Peking Univ Ctr Appl Phys &

Technol HEDPS Beijing 100871 Peoples R China;

Peking Univ Ctr Appl Phys &

Technol HEDPS Beijing 100871 Peoples R China;

Peking Univ Ctr Appl Phys &

Technol HEDPS Beijing 100871 Peoples R China;

Inst Appl Phys &

Computat Math Beijing 100088 Peoples R China;

Inst Appl Phys &

Computat Math Beijing 100088 Peoples R China;

Inst Appl Phys &

Computat Math Beijing 100088 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类等离子体物理学;
关键词
vortex merging; trapped particle instability; sidebands;

机译：涡旋合并;被困的粒子不稳定性;边带;

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专利

1. Saturation of trapped particle instability induced by vortex-merging in electron plasma waves [J] . Yang T., Feng Q. S., Wang Y. X., Plasma physics and controlled fusion . 2020,第9期

机译：通过涡旋合并在电子等离子体波中诱导被困颗粒不稳定的饱和度
2. Saturation of stimulated Raman backscattering due to beam plasma instability induced by trapped electrons [J] . Plasma physics and controlled fusion . 2020,第7期

机译：由于截图电子引起的束等离子体稳定性，刺激拉曼反向散射的饱和度
3. Modulational instability of acoustic waves in a dusty plasma with nonthermal electrons and trapped ions [J] . Demiray Hilmi, Abdikian Alireza Chaos, Solitons and Fractals: Applications in Science and Engineering: An Interdisciplinary Journal of Nonlinear Science . 2019,第期

机译：具有非热电子和捕获离子的多尘血浆中声波的调制不稳定性
4. Nonlinear Stabilization Of Satellite Instability Of Bgk-wave In Plasma Because Of Anharmonicity Of Trapped Particle Oscillations [C] . Dorofeenko, V.G. . 1994

机译：由于被困粒子振荡的非谐性，等离子体中Bgk波的卫星不稳定的非线性稳定
5. An algorithmic unification of particle -in -cell and continuum methods and a wave -particle description for the electron temperature gradient (ETG) instability saturation. [D] . Vadlamani, Srinath. 2005

机译：电子温度梯度（ETG）不稳定性饱和的粒子内和连续体方法的算法统一以及波粒描述。
6. Saturation transfer continuous wave saturation and saturation recovery electron spin resonance studies of chain-spin labeled phosphatidylcholines in the low temperature phases of dipalmitoyl phosphatidylcholine bilayers. Effects of rotational dynamics and spin-spin interactions. [O] . P Fajer, A Watts, D Marsh 1992

机译：链旋转标记的磷脂酰胆碱双层低温相中自旋标记的磷脂酰胆碱的饱和转移连续波饱和和饱和恢复电子自旋共振研究。旋转动力学和自旋-自旋相互作用的影响。
7. Trapped Particle Effects in the Parametric Instability of Near-Acoustic Plasma Waves [O] . M. Affolter, F. Anderegg, D. H. E. Dubin, 2018

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8. Quenching of the current-driven ion-wave instability in the trapped-electron regime in a toroidal plasma [R] . V. Arunasalam, M. Okabayashi, R. J. Hawryluk 1977

机译：在环形等离子体中俘获电子态中电流驱动的离子波不稳定性的淬灭

Saturation of trapped particle instability induced by vortex-merging in electron plasma waves

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