Spin-wave alternating periodic-chaotic dynamics

被引：0
|
作者：
de Aguiar, FM [1 ]
Rosenblatt, S [1 ]
Rezende, SM [1 ]
Azevedo, A [1 ]
机构：
[1] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2001年 / 226卷 / PART I期
关键词：
chaos; spin waves; ferromagnetic resonance;
D O I：
10.1016/S0304-8853(00)00997-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A description is given of pulsed ferromagnetic subsidiary resonance experiments in a YIG sphere at room temperature. Beyond the Suhl instability threshold. evidences were found for the elusive alternating periodic-chaotic sequence. The spin-wave self-oscillations have recently been characterized through one-dimensional return maps. Here it is shown that the observed scenario is also in good qualitative agreement with results from numerical simulations with a standard two-mode microscopic model. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：524 / 526
页数：3
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