Spin wave mediated non-reciprocal effects in antiferromagnets

被引：17
|
作者：
Román, JM
Soto, J
机构：
[1] Univ Barcelona, Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain
[2] Univ Barcelona, Inst Fis Altes Energies, E-08028 Barcelona, Spain
来源：
ANNALS OF PHYSICS | 1999年 / 273卷 / 01期
关键词：
D O I：
10.1006/aphy.1998.5891
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By using an effective field theory for the electromagnetic interaction of spin waves, we show that, in certain antiferromagnets, the latter induce non-reciprocal effects in the microwave region, which should be observable in the second harmonic generation and produce gyrotropic birefringency. We calculate the various (non-linear) susceptibilities in terms of a Few parameters the order of magnitude of which is under control. (C) 1999 Academic Press.
引用
收藏
页码：37 / 57
页数：21
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