Reflection of the Electromagnetic Wave from the Region of Electron Cyclotron Absorption in Thermonuclear Plasma

IF 0.9 4区 物理与天体物理 Q4 PHYSICS, FLUIDS & PLASMAS
E. D. Gospodchikov, P. A. Chuvakin, A. G. Shalashov
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Abstract

A new approach to the problem of the passage of the extraordinary wave through the region of the electron–cyclotron resonance in inhomogeneous plasma was considered in the framework of the full set of Maxwell’s equations, taking into account the effects of spatial dispersion and resonance dissipation. For the model one-dimensional geometry, field distributions were calculated in the vicinity of the cyclotron resonance at the second harmonic for the normal incidence of the extraordinary wave and the reflection, transmission, and absorption coefficients were found depending on the parameters of the resonance region. As a result, the fine effect of the reflection of electromagnetic radiation from the cyclotron resonance region in transparent plasma was described and the results were compared with the observations of this effect in the experiments on the microwave heating of the plasma at the L-2M stellarator.

Abstract Image

热核等离子体中电子回旋吸收区的电磁波反射
在全套麦克斯韦方程的框架内,考虑到空间弥散和共振耗散的影响,对非均质等离子体中电子-回旋共振区域的超常波通过问题采用了一种新的方法。对于一维几何模型,计算了非常波正常入射二次谐波处回旋共振附近的场分布,并根据共振区的参数找到了反射、透射和吸收系数。因此,描述了透明等离子体中回旋共振区电磁辐射反射的微妙效应,并将结果与在 L-2M 恒星器等离子体微波加热实验中观察到的这一效应进行了比较。
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来源期刊
Plasma Physics Reports
Plasma Physics Reports 物理-物理:流体与等离子体
CiteScore
1.90
自引率
36.40%
发文量
104
审稿时长
4-8 weeks
期刊介绍: Plasma Physics Reports is a peer reviewed journal devoted to plasma physics. The journal covers the following topics: high-temperature plasma physics related to the problem of controlled nuclear fusion based on magnetic and inertial confinement; physics of cosmic plasma, including magnetosphere plasma, sun and stellar plasma, etc.; gas discharge plasma and plasma generated by laser and particle beams. The journal also publishes papers on such related topics as plasma electronics, generation of radiation in plasma, and plasma diagnostics. As well as other original communications, the journal publishes topical reviews and conference proceedings.
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