SELF-FOCUSING IN GYROTROPIC MEDIA

被引：7
|
作者：
KARPMAN, VI
机构：
[1] IZMIRAN, Academic City, Troitsk
来源：
PHYSICS LETTERS A | 1991年 / 154卷 / 5-6期
关键词：
D O I：
10.1016/0375-9601(91)90813-N
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A full set of equations describing the axially symmetric self-focusing in gyrotropic media is obtained and investigated. The nonlinear Schrodinger (NS) equations for the problem in question are derived and applied to the self-focusing. It is shown that the self-focusing in gyrotropic media may be accompanied by irradiation due to a transformation of the wave, trapped in a nonlinear duct, into a radiating mode. This is beyond the NS approximation and may result in a subsequent defocusing of the nonlinear wave beam.
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页码：238 / 242
页数：5
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