Formation of a defect lattice in electroconvection of nematics

Noriko Oikawa; Yoshiki Hidaka; Shoichi Kai

doi:10.1103/PhysRevE.70.066204

Formation of a defect lattice in electroconvection of nematics

Noriko Oikawa, Yoshiki Hidaka, Shoichi Kai

Applied Physics

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The formation of a defect lattice (DL) of a periodic orientational structure was investigated in the electroconvection of nematic liquid crystals. The investigation was performed on electroconvection in the nematic liquid crystal p-methoxybenzilidene-p′-n-butylaniline (MBA). The period of the DL perpendicular to the rolls was found to be equal to that of the domain structure in the abnormal rolls. The results show that the periodicity of the DL parallel to the roll is due to the beating mode of the normal rolls and the secondary mode.

Original language	English
Article number	066204
Pages (from-to)	066204/1-066204/6
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	70
Issue number	6 2
DOIs	https://doi.org/10.1103/PhysRevE.70.066204
Publication status	Published - Dec 2004

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.70.066204

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abstract = "The formation of a defect lattice (DL) of a periodic orientational structure was investigated in the electroconvection of nematic liquid crystals. The investigation was performed on electroconvection in the nematic liquid crystal p-methoxybenzilidene-p′-n-butylaniline (MBA). The period of the DL perpendicular to the rolls was found to be equal to that of the domain structure in the abnormal rolls. The results show that the periodicity of the DL parallel to the roll is due to the beating mode of the normal rolls and the secondary mode.",

author = "Noriko Oikawa and Yoshiki Hidaka and Shoichi Kai",

note = "Funding Information: The authors would like to thank W. Pesch, B. Dressel, and Y. Kuramoto for valuable discussions and comments. This work was partly supported by a Grant-in-Aid for Scientific Research (B) (Grant No. 14340123) and a Grant-in-Aid for Young Scientists (B) (Grant No. 14740239) from the Ministry of Education, Culture, Sports, Science and Technology in Japan.",

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AU - Oikawa, Noriko

AU - Hidaka, Yoshiki

AU - Kai, Shoichi

N1 - Funding Information: The authors would like to thank W. Pesch, B. Dressel, and Y. Kuramoto for valuable discussions and comments. This work was partly supported by a Grant-in-Aid for Scientific Research (B) (Grant No. 14340123) and a Grant-in-Aid for Young Scientists (B) (Grant No. 14740239) from the Ministry of Education, Culture, Sports, Science and Technology in Japan.

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N2 - The formation of a defect lattice (DL) of a periodic orientational structure was investigated in the electroconvection of nematic liquid crystals. The investigation was performed on electroconvection in the nematic liquid crystal p-methoxybenzilidene-p′-n-butylaniline (MBA). The period of the DL perpendicular to the rolls was found to be equal to that of the domain structure in the abnormal rolls. The results show that the periodicity of the DL parallel to the roll is due to the beating mode of the normal rolls and the secondary mode.

AB - The formation of a defect lattice (DL) of a periodic orientational structure was investigated in the electroconvection of nematic liquid crystals. The investigation was performed on electroconvection in the nematic liquid crystal p-methoxybenzilidene-p′-n-butylaniline (MBA). The period of the DL perpendicular to the rolls was found to be equal to that of the domain structure in the abnormal rolls. The results show that the periodicity of the DL parallel to the roll is due to the beating mode of the normal rolls and the secondary mode.

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Formation of a defect lattice in electroconvection of nematics

Abstract

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