Electric detection of nonlinear effect upon spin-wave spin current

被引：4
|
作者：
Kawase, Mikito [1 ]
Iwaba, Masashi [1 ]
Sekiguchi, Koji [1 ,2 ]
机构：
[1] Yokohama Natl Univ, Sch Engn Sci, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan
[2] Yokohama Natl Univ, Fac Engn, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2020年 / 59卷 / SE期
基金：
日本学术振兴会;
关键词：
ENVELOPE SOLITONS;
D O I：
10.7567/1347-4065/ab6508
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We performed time domain propagating spin-wave (SW) spectroscopy to investigate SW soliton formation. By choosing backward volume SW mode, we successfully observed a multiple solitons formation and propagation. The SW power dependence on the duration of excitation signal showed nonlinear dependence, and SW maintained its wave packet width. By making a contour plot of SW power, the evolution of SW soliton was clearly demonstrated. The generation and annihilation of SW soliton exhibited a complicated behavior, showing the competition between nonlinear effect and dispersion/relaxation effects. (C) 2020 The Japan Society of Applied Physics
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页数：6
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