Direct observation of coupling between orientation and flow fluctuations in a nematic liquid crystal at equilibrium


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/66171

Title:	Direct observation of coupling between orientation and flow fluctuations in a nematic liquid crystal at equilibrium
Authors:	Orihara, Hiroshi Browse this author →KAKEN DB
	Sakurai, Nobutaka Browse this author
	Sasaki, Yuji Browse this author →KAKEN DB
	Nagaya, Tomoyuki Browse this author
Issue Date:	21-Apr-2017
Publisher:	American Physical Society (APS)
Journal Title:	Physical review E
Volume:	95
Issue:	4
Start Page:	42705
Publisher DOI:	10.1103/PhysRevE.95.042705
PMID:	28505722
Abstract:	To demonstrate coupling between orientation and flow fluctuations in a nematic liquid crystal at equilibrium, we simultaneously observe the intensity change due to director fluctuations under a polarizingmicroscope and the Brownian motion of a fluorescent particle trapped weakly by optical tweezers. The calculated cross-correlation function of the particle position and the spatial gradient of the intensity is nonzero, clearly indicating the existence of coupling.
Rights:	©2017 American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/66171
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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