Nematic Ordering of a Liquid Crystalline Homeotropic Cell(Condensed Matter : Structure, Mechanical and Thermal Properties)
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概要
- 論文の詳細を見る
Nematic ordering in a very thin system under the homeotropic anchoring condition is studied in the framework of the Maier-Saupe model. The first order transition disappears and continuous change of phase occurs at the system with thickness smaller than a certain critical thickness. To study the mechanism of the continuous change of phase, nonuniformity due to the boundary effect is described in terms of an effective field which is conjugate to the order parameter, and behaviour of the system is analysed by observing loci of the effective fields on the phase diagram of the bulk. It is found that the continuous change is mediated by an unstable state; a metasteble high-temperature phase changes to a metastable low-temperature one continuously via an unstable phase between them. This mechanism is an analogue of the phenomenon occurring in a freely suspended film of a certain chiral smectic material.
- 社団法人日本物理学会の論文
- 2004-09-15
著者
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山下 護
徳島工短
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YAMASHITA Mamoru
Department of Physics Engineering, Faculty of Engineering, Mie University
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Yamashita Mamoru
Department Of Applied Physics Nagoya University
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TORIKAI Masashi
Department of Physics Engineering, Faculty of Engineering, Mie University
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YASEN Muniriding
Department of Physics Engineering, Faculty of Engineering, Mie University
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Torikai Masashi
Department Of Physics Engineering Faculty Of Engineering Mie University
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Yamashita Mamoru
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Yasen Muniriding
Department Of Physics Engineering Faculty Of Engineering Mie University
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Yamashita Mamoru
Department Of Applicad Physics Faculty Of Engineering Nagoya University
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