Control Parameter Dependence of the Work in a Process under Stochastic Control(Poster session 2, New Frontiers in Colloidal Physics : A Bridge between Micro- and Macroscopic Concepts in Soft Matter)
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概要
- 論文の詳細を見る
コロイド粒子を,外場を制御しながら運ぶことを考えよう.制御に要するエネルギーまで考えれば第二法則に縛られるが,粒子がされる力学的仕事は自由エネルギー差より小さくなるだろう.この様子を見るため,我々は粒子を有限時間で一次元的に一定距離運ぶことを考える.粒子の位置と速度を観測しながら,それを基に外場を制御して、要する仕事の統計平均が最小になるように制御法を作る.数値計算によると,このときの最小仕事は自由エネルギー差より小さい.また,粒子速度を観測しないで制御すると最小仕事は上昇した.
- 物性研究刊行会の論文
- 2007-10-20
著者
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SUZUKI Hiroyuki
Graduate School of Life Sciences, Tohoku University
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Fujitani Youhei
Graduate School Of Fundamental Sci & Tech Keio Univ.
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Fujitani Youhei
Graduate School Of Fundamental Sci & Tech. Keio Univ.
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Suzuki Hiroyuki
Graduate School Of Fundamental Sci & Tech. Keio Univ.
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Suzuki Hiroyuki
Graduate School Of Engineering Hiroshima University
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