The Topological Microstructure of Defects In Nematic Liquid Crystals

We study the core of line and point defects in nematic liquid crystals. The topological theory of defects allows us to prove that a uniaxial nematic has two ways to avoid a topologically stable defect: either it melts, by becoming isotropic on the putative defect, or a complex biaxial structure aris...

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Bibliographic Details
Published in:Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals Molecular crystals and liquid crystals, 1997-01, Vol.292 (1), p.91-101
Main Authors: Biscari, P., Peroli, G. Guidone, Sluckin, T. J.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Defects
Defects in liquid crystals
Exact sciences and technology
Liquid crystals
Nematic liquid crystals
Physics
Structure of solids and liquids
crystallography
topology
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Summary:We study the core of line and point defects in nematic liquid crystals. The topological theory of defects allows us to prove that a uniaxial nematic has two ways to avoid a topologically stable defect: either it melts, by becoming isotropic on the putative defect, or a complex biaxial structure arises, that we describe in the paper.
ISSN:1058-725X
DOI:10.1080/10587259708031921