Effect of weak anchoring on the electric field induced deformations of nematic layers
作者:
Grzegorz Derfel,
期刊:
Liquid Crystals
(Taylor Available online 1994)
卷期:
Volume 17,
issue 3
页码: 429-436
ISSN:0267-8292
年代: 1994
DOI:10.1080/02678299408036581
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The stationary deformations of nematic layers with a twisted structure are analysed by means of the Taylor expansion method based on catastrophe theory. The role of weak anchoring is investigated. Variations of the polar and azimuthal angles describing the surface director orientation are allowed. The stability of two equilibrium states, the twisted and the homeotropic, is studied. Several types of continuous and discontinuous transitions between them are revealed. The threshold voltages are calculated.
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