Strange Attractor of Chaotic Magnons Observed in Ferromagnetic(CH3NH3)2CuCl4
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- Yamazaki Hitoshi
- Department of Physics, Faculty of Science, Okayama University
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- Mino Michinobu
- Department of Physics, Faculty of Science, Okayama University
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- Nagashima Hiroyuki
- Faculty of Liberal Arts, Shizuoka University
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- Warden Mike
- Physics Institute, University of Zurich
書誌事項
- タイトル別名
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- Strange Attractor of Chaotic Magnons Observed in Ferromagnetic (CH<SUB>3</SUB>NH<SUB>3</SUB>)<SUB>2</SUB>CuCl<SUB>4</SUB>
- Strange Attractor of Chaotic Magnons Ob
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By parallel pumping experiments in ferromagnetic (CH3NH3)2CuCl4 chaotic auto-oscillations of magnon amplitude are observed at the pumping frequency of 9.39 GHz and the temperature of 1.65 K. Strange attractors constructed in three-dimensional phase space from time series data of chaotic oscillations display properties of stretching and folding of the sheet of trajectories. Fractal dimensions of strange attractors are obtained by the method of the correlation integral as a function of driving microwave power. With increasing driving power fractal dimension increases from 1.6 to 3.4. The largest Lyapunov exponent is obtained as 0.43±0.05 by using empirical return maps. The chaotic state arises directly from period-two oscillations without cascade of period doubling bifurcations.
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ
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Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ 56 (2), 742-750, 1987
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679163320064
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- NII論文ID
- 210000093817
- 110001960321
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1987JPSJ...56..742Y
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- COI
- 1:CAS:528:DyaL2sXitVKnurw%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 3114595
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可