On the Elastic Theory of Ferroelectric SmC Liquid Crystals
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概要
- 論文の詳細を見る
The elastic free energy of the incompressible ferroelectric SmC' is constructed in atensor formalism based on the symmetry argument of the monoclinic structure. Extracting some surface contributions from the total free energy, we find that such amonoclinic SmC' phase permits 9 nonchiral, 2 chiral, 1 piezoelectric, and 9 flexoelec-tric terms in the bulk energy. In addition, the present expression for the elastic freeenergy is found to be somewhat simplified compared with that previously derived byDahl and Lagerwall because of the reduction of a certain cross term in their expres-sion. Finally the Euler-Lagrange equations for the layer distortion and the c-directordeformation are derived on the basis of the presently proposed elastic free energy.
- 社団法人日本物理学会の論文
- 1989-07-15
著者
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Nakagawa Masahiro
Deparment Of Electrical Engineering Faculty Of Engineering Nagaoka University Of Technology
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Nakagawa Masahiro
Department Of Electrical Engineering Faculty Of Engineering Nagoya University Of Technology
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