Relaxation and Hysteresis in a Periodically Forced Swift-Hohenberg System(General and Mathematical Physics)
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概要
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The relaxation and hysteresis of a periodically forced Swift-Hohenberg (SH) equation as a phenomenological model for the magnetic domains of a garnet thin film in an oscillating magnetic field are studied. It is already known that the unforced SH equation settles down to a single type of spatial structure called a stripe pattern, and that the relaxation process yields a scaling law for the structure factor. Two types of temporally oscillating spatial structure consisting of stripe and polka-dot patterns have also been asymptotically observed in the case of a periodically forced SH equation. Relaxation scaling behaviors are studied for these two patterns. It is also shown for the forced case that a hysteresis is observed in the vicinity of the boundary between two different spatial patterns in the phase diagram.
- 2011-06-25
著者
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宮崎 修次
京大情報
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宮崎 修次
京都大学情報学研究科
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宮崎 修次
九大・理・物理
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Miyazaki Syuji
Kyoto Univ. Kyoto Jpn
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Miyazaki S
Kyoto Univ. Kyoto Jpn
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Miyazaki S
Department Of Applied Analysis And Complex Dynamical Systems Graduate School Of Informatics Kyoto Un
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Miyazaki Syuji
Department Of Applied Analysis And Complex Dynamical Systems Graduate School Of Informatics Kyoto Un
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Ouchi Katsuya
Kobe Design University
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Morino Kai
Department Of Applied Analysis And Complex Dynamical Systems Graduate School Of Informatics Kyoto Un
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Miyazaki Syuji
Graduate School Of Informatics Kyoto University
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Miyazaki Syuji
Kyoto University
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Miyazaki Syuji
Department Of Physics Kyushu University
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Morino Kai
Department Of Applied Analysis And Complex Dynamical Systems Graduate School Of Informatics Kyoto Un
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Ouchi Katsuya
Kobe Design Univ. Kobe Jpn
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MIYAZAKI Shunji
Department of Physics, Kyoto University
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MIYAZAKI Syuji
Department of Physics, Kyushu University
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