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Orientational Transitions in a Nematic Cell with Reverse Director Distributions

 

作者: D. Andrienko,   Yu. Reznikov,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  (Taylor Available online 1998)
卷期: Volume 321, issue 1  

页码: 291-297

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808025095

 

出版商: Taylor & Francis Group

 

关键词: liquid crystal;orientational transitions

 

数据来源: Taylor

 

摘要:

We predict orientational transitions in a nematic cell with co-directed and reversed orientations of easy axes on the aligning surfaces. Aside from aforwarddirector distribution there can exist thereversedistributions with zero and π/2 polar director angle at some point in the cell bulk. In the Rapini approach for the surface free energy these distributions can be unstable and transition two the forward distribution can occur. Dimensionless parameters, controlling the director distribution are the easy axis angle and an anchoring strength parameterWL/K.

 

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