Spin-wave alternating periodic–chaotic dynamics

Spin-wave alternating periodic–chaotic dynamics

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 thr...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials Vol. 226; pp. 524 - 526
Main Authors: de Aguiar, F.M, Rosenblatt, S, Rezende, S.M, Azevedo, A
Format: Journal Article
Language:English
Published: Elsevier B.V 01-05-2001
Subjects:
Chaos
Ferromagnetic resonance
Spin waves
Chaos
Ferromagnetic resonance
Spin waves
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Summary: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.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0304-8853
DOI:10.1016/S0304-8853(00)00997-5