Relationship between dynamic heterogeneity and medium-range crystalline order
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概要
- 論文の詳細を見る
多分散コロイド系におけるガラス転移現象を、計算機シミュレーションを用いて研究を進めてきた。その結果、過冷却液体中に中距離結晶秩序が形成されていることを確認した。さらに、この結晶秩序を形成している粒子のダイナミクスは、秩序を形成していない他の粒子に比べ遅いことを見出した。またこの中距離結晶秩序は、粒子の並進緩和時間の10倍程度の寿命をもち、この時間スケールを越えると各粒子のダイナミクスは、ほぼ均一になることも明らかとなった。以上より、我々は、中距離結晶秩序の存在がガラスの動的不均一性の起源であるという見解を得た。
- 物性研究刊行会の論文
- 2006-10-20
著者
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Tanaka Hajime
Institute of Industrial Science, University of Tokyo
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Kawasaki Takeshi
Institute of Industrial Science, University of Tokyo
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Araki Takeaki
Institute of Industrial Science, University of Tokyo
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Tanaka Hajime
Univ. Tokyo Tokyo Jpn
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Araki Takeaki
Univ. Tokyo Tokyo Jpn
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Araki Takeaki
Institute Of Industrail Science University Of Tokyo
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Tanaka Hajime
Institute Of Industrial Science The University Of Tokyo
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Kawasaki Takeshi
Institute Of Industrial Science University Of Tokyo
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Tanaka Hajime
Institute Of Industrail Science University Of Tokyo
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