Influence of shear flow on the linear response of a nematic liquid crystal to external electric fields


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Title:	Influence of shear flow on the linear response of a nematic liquid crystal to external electric fields
Authors:	Orihara, Hiroshi Browse this author →KAKEN DB
	Yang, Fan Browse this author
	Takigami, Yuta Browse this author
	Takikawa, Yoshinori Browse this author
	Na, Yang Ho Browse this author
Issue Date:	Oct-2012
Publisher:	American Physical Society
Journal Title:	Physical Review E
Volume:	86
Issue:	4
Start Page:	041701
Publisher DOI:	10.1103/PhysRevE.86.041701
PMID:	23214597
Abstract:	We have investigated the linear response of shear stress to ac electric fields under shear flow in a nematic liquid crystal. The experimental results were compared with the theoretical results derived from the Ericksen-Leslie theory. Although close agreement was obtained at low shear rates, discrepancies were observed at high shear rates. By introducing a two-mode coupling model the experimental results were well reproduced for the entire range of shear rates, and nonconservative forces were found to play an important role in determining the fluctuation dynamics, which is a characteristic of nonequilibrium steady states.
Rights:	© 2012 American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/50401
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 折原宏

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