Defect Chaos in a Convective System Limited by Domain Walls
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- Oikawa Noriko
- Department of Applied Quantum Physics and Nuclear Engineering, Graduate School of Engineering, Kyushu University
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- Hidaka Yoshiki
- Department of Applied Quantum Physics and Nuclear Engineering, Graduate School of Engineering, Kyushu University
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- Kai Shoichi
- Department of Applied Quantum Physics and Nuclear Engineering, Graduate School of Engineering, Kyushu University Department of Systems Life Sciences, Graduate School of Systems Life Sciences, Kyushu University
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説明
The transition to turbulence in an electroconvective system of nematics separated by domain walls of the in-plane director is studied by observing the temporal change in image intensity. The measured time series are analyzed by the sonogram method. In the system where the domain structure is formed by abnormal roll instability, defect chaos appears as intermittent periodic oscillation limited by the domain walls. By increasing applied voltage, a periodic defect lattice appears. In the higher voltage region, the defect lattice collapses and changes into local turbulent states. The spatiotemporal intermittency is observed through these local turbulent domain motions.
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 73 (11), 2917-2920, 2004
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
- 1390282679164086144
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- NII論文ID
- 110001979229
- 210000105115
- 130004538650
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2004JPSJ...73.2917O
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7156536
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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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- NDLサーチ
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