PREFERRED EQUILIBRIUM STRUCTURES OF A SMECTIC-A PHASE GROWN FROM AN ISOTROPIC-PHASE - ORIGIN OF FOCAL CONIC DOMAINS

被引:38
作者
NAITO, H [1 ]
OKUDA, M [1 ]
ZHONGCAN, OY [1 ]
机构
[1] ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
来源
PHYSICAL REVIEW E | 1995年 / 52卷 / 02期
关键词
D O I
10.1103/PhysRevE.52.2095
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Preferred equilibrium structures of a smectic-A phase grown from an isotropic phase have been investigated theoretically and experimentally. The surface-integral equation reported in our recent paper [H. Naito, M. Okuda, and Z. Ou-Yang, Phys. Rev. Lett. 70, 2912 (1993)] and a surface-differential equation are derived from the Euler-Lagrange equations for the variation of the nucleation energy of the smectic-A phase. Toroidal structures of the smectic-A phase are shown to be solutions of both equations and are observed experimentally in binary mixtures of octyloxycyanobiphenyl with dodecyl alcohol. It is also shown that focal conic domains are developed from such structures.
引用
收藏
页码:2095 / 2098
页数:4
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