Phase Transitions in the Systems of Identical Rigid Molecules in Perfect Alignment-Relations of the Smectic A and Columnar Orderings in Liquid Crystals and the Crystalline Ordering to the Molecular Shape
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概要
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The method of symmetry breaking potential is applied to the system of identical rigidmolecules with simple typical shapes (rod with square cross-section, square plate andcube), which are perfectly aligned, to examine the occurrences of such various types ofspatial ordering as in smectic, columnar and crystalline phases in relation to themolecular shape. A smectic A phase occurs in the system of rigid rod molecules muchmore easily than the close packed crystal structure does in the system of rigid spheremolecules. Columnar and crystalline phases do also similarly in the system of moleculesof square plate and cube, respectively. It is also shown that the nematic-smectic Atransition in the case of rigid rod rruolecules in perfect alignment is the second order one,in contrast with those in the others of typical first order transitions. The effect oforientational fluctuation is discussed in short.
- 社団法人日本物理学会の論文
- 1982-03-15
著者
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Kimura Hatsuo
名大・工
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Kimura Hatsuo
Department Of Applied Physics And Chemistry Fukui University Of Technology
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Nakano Huzio
名大・工
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Nakano Huzio
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Hosino Masahito
名大・工
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HOSINO Masahito
Department of Applied Physics,Faculty of Engineering,Nagoya University
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Hosino Masahito
Department Of Applied Physics Faculty Of Engineering Nagoya University
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