Formation and distribution of point defects on a disclination line near a free nematic interface -: art. no. 031701

被引：11

作者：

Ignés-Mullol, J ^{[1
]}

Baudry, J ^{[1
]}

Oswald, P ^{[1
]}

机构：

[1] Ecole Normale Super Lyon, Phys Lab, F-69364 Lyon 07, France

来源：

PHYSICAL REVIEW E | 2001年 / 63卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.63.031701

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：

Point defects of opposite signs can alternately nucleate on the -1/2 disclination line that forms near the free surface of a confined nematic liquid crystal. We show the existence of metastable configurations consisting of periodic repetitions of such defects. These configurations are characterized by a minimal interdefect spacing that is seen to depend on sample thickness and on an applied electric field. The time evolution of the defect distribution suggests that the defects attract at small distances and repel at large distances.

引用

页数：9

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