First-order breaking transition of tilted nematic anchoring

被引：27
作者：
Dozov, I [1 ]
Martinot-Lagarde, P [1 ]
机构：
[1] Bulgarian Acad Sci, Inst Solid State Phys, BU-1784 Sofia, Bulgaria
来源：
PHYSICAL REVIEW E | 1998年 / 58卷 / 06期
关键词：
D O I：
10.1103/PhysRevE.58.7442
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：
We propose a mechanism for breaking tilted nematic anchorings using an electric field normal to the plates. This breaking is a discontinuous first-order transition, unlike the known second-order breaking of planar anchorings. The elastic coupling of the tilted orientations on both plates is used to initialize the first-order transition. We observe the breaking experimentally by fast (in the mu s range) bulk texture changes, resulting in an additional pi twist in the final state. [S1063-651X(98)05312-4].
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收藏
页码：7442 / 7446
页数：5
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