STIMULATED BRILLOUIN-SCATTERING OF HELICON WAVES IN A SEMICONDUCTOR

被引：8
作者：
SODHA, MS
SHARMA, RR
机构：
[1] Centre of Energy Studies, Physics Department, Indian Institute of Technology, New Delhi
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1979年 / 94卷 / 02期
关键词：
D O I：
10.1002/pssb.2220940239
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A right‐handed circularly polarised helicon wave decays resonantly into a low‐frequency acoustic wave and a scattered helicon wave in a piezoelectric semiconductor. The low‐frequency nonlinearity arises through the parallel ponderomotive force on electrons whereas the high‐frequency nonlinearity arises through the equation of continuity. The growth rate of instability turns out to be ≈ 103 s−1 for 1 to 10 MHz acoustic perturbations when a microwave of 20 kW/cm2 propagates through n‐InSb. Copyright © 1979 WILEY‐VCH Verlag GmbH & Co. KGaA
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页码：667 / 671
页数：5
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