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 ISSN 1063-651X.

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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, Engineering and Medicine > 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:	Date Event January 2000 Published
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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