WAVE BEAMS IN INHOMOGENEOUS ANISOTROPIC AND GYROTROPIC MEDIA

被引:4
|
作者
Balakin, A. A. [1 ]
Balakina, M. A. [1 ]
Permitin, G. V. [1 ]
Smirnov, A. I. [1 ]
机构
[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia
基金
俄罗斯基础研究基金会;
关键词
Inhomogeneous Medium; Spatial Dispersion; Wave Beam; Carrier Wave; Extraordinary Wave;
D O I
10.1007/s11141-007-0090-0
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We generalize the quasioptical description of wave beams to the case of smoothly inhomogeneous anisotropic and gyrotropic media. For brevity of the presentation, we choose a cold collisionless magnetoplasma as an example of such a medium, although the main obtained results are also valid (with some corrections) for media with spatial dispersion. For the amplitude-phase envelope of the beam, an evolution equation is derived and some of its features are analyzed.
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页码:955 / 972
页数:18
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