Flow-alignment instability and slow director oscillations in nematic liquid crystals under oscillatory flow

被引：28
|
作者：
Krekhov, AP [1 ]
Kramer, L [1 ]
机构：
[1] UNIV BAYREUTH,INST PHYS,D-95440 BAYREUTH,GERMANY
来源：
PHYSICAL REVIEW E | 1996年 / 53卷 / 05期
关键词：
D O I：
10.1103/PhysRevE.53.4925
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：
The nonlinear response of a nematic slab subjected to a rectilinear low-frequency oscillatory Couette and Poiseuille flow is investigated theoretically. We find that under Poiseuille flow and with appropriate alignment conditions by surface anchoring and/or magnetic field a state with slow, spontaneous director rotation appears. This may provide a model for the slow director rotations observed in high-frequency Couette flow.
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页码：4925 / 4932
页数：8
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