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Molecular simulation and theory of a liquid crystalline disclination core

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Andrienko, Denis and Allen, M. P. (2000) Molecular simulation and theory of a liquid crystalline disclination core. Physical Review E, Vol.61 (No.1). pp. 504-510. doi:10.1103/PhysRevE.61.504

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Official URL: http://dx.doi.org/10.1103/PhysRevE.61.504

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Abstract

Molecular simulations of a nematic liquid crystal confined in cylinder geometry with homeotropic anchoring have been carried out. The core structure of a disclination line defect of strength +1 has been examined, and comparison made with various theoretical treatments, which are presented in a unified way. It is found that excellent fits to the cylindrically symmetrized order tensor profiles may be obtained with appropriate parameter choices; notwithstanding this, on the time scales of the simulation, the cylindrical symmetry of the core is broken and two defects of strength +1/2 may be resolved.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Liquid crystals, Molecules -- Models, Monte Carlo method
Journal or Publication Title: Physical Review E
Publisher: American Physical Society
ISSN: 1063-651X
Official Date: January 2000
Dates:
DateEvent
January 2000Published
Volume: Vol.61
Number: No.1
Page Range: pp. 504-510
DOI: 10.1103/PhysRevE.61.504
Status: Peer Reviewed
Funder: Engineering and Physical Sciences Research Council (EPSRC), International Soros Science Education Program, Overseas Research Students Awards Scheme (ORSAS)
Grant number: PSU082002 (ISSEP), ORS/99007015 (ORSAS)

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