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	Rigid linear particles confined on a spherical surface: Phase diagram of nematic defect states
	Liang, Qin ; Ye, Shiwei ; Zhang, Pingwen ; Chen, Jeff Z. Y.
	2014
关键词	FRANK ELASTIC-CONSTANTS HARD SPHEROCYLINDERS ORIENTATIONAL ORDER LIQUID-CRYSTALS INTERFACE MODEL TRANSITION POLYMERS COLLOIDS
英文摘要	A thin film of liquid crystal confined on a spherical surface displays topological defects, as demonstrated by experimental observation of micron-sized double-emulsion droplets. Proposals have been made in practical applications to design novel materials by using these patterned textures. Recent phenomenological models and Monte Carlo computer simulations revealed organized defect structures with different characteristics. Here, we theoretically investigate the structure of the nematic ordering resulted from the excluded-volume interaction between rigid molecules confined on a spherical surface. The free-energy model follows a basic idea originally proposed by Onsager for studying a nematic fluid made of rigid particles. We tackle this fundamental model numerically to produce high-precision free-energy branches that enable structural determination. (C) 2014 AIP Publishing LLC.; Physics, Atomic, Molecular & Chemical; SCI(E); EI; PubMed; 1; ARTICLE; pzhang@pku.edu.cn; jeffchen@uwaterloo.ca; 24; 244901; 141
语种	英语
出处	EI ; PubMed ; SCI
出版者	journal of chemical physics
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/188636]
专题	数学科学学院
推荐引用方式 GB/T 7714	Liang, Qin,Ye, Shiwei,Zhang, Pingwen,et al. Rigid linear particles confined on a spherical surface: Phase diagram of nematic defect states. 2014-01-01.

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