Chaotic Dynamics During Slow Relaxation Process in Magnon Systems.

DOI Web Site Web Site BIBCODE 被引用文献3件 参考文献43件
  • Cai Jiang
    Graduate School of Materials Engineering, Fukui Univ., Bunkyo 3-9-1, Fukui 910-8507
  • Kato Yoshiyasu
    Graduate School of Materials Engineering, Fukui Univ., Bunkyo 3-9-1, Fukui 910-8507
  • Ogawa Atsushi
    Department of Human and Artificial Intelligent Systems, Fukui Univ., Bunkyo 3-9-1, Fukui 910-8507
  • Harada Yoshifumi
    Department of Human and Artificial Intelligent Systems, Fukui Univ., Bunkyo 3-9-1, Fukui 910-8507
  • Chiba Meiro
    Department of Applied Physics, Fukui Univ., Bunkyo 3-9-1 Fukui 910-8507
  • Hirata Takayuki
    Department of Human and Artificial Intelligent Systems, Fukui Univ., Bunkyo 3-9-1, Fukui 910-8507

書誌事項

公開日
2002
DOI
  • 10.1143/jpsj.71.3087
公開者
一般社団法人 日本物理学会

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説明

Experimental evidence of chaotic dynamics during a slow relaxation process with very low frequency magnetization auto-oscillations in magnon systems is presented. A ferromagnetic resonance experiment using a sphere of pure yttrium iron garnet (YIG) at the X-band pumping frequency within the coincidence regime reveals a slow relaxation process with a long tail after a stepwise drop in external pumping power. The relaxation process is found to follow a power-law with time as a transient process involving a transition of local dynamics from a quasi-periodic state to a chaotic state as the collapse of torus.

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