A transition to spatiotemporal chaos under a symmetry breaking in a homeotropic nematic system

Rinto Anugraha, Yoshiki Hidaka, Noriko Oikawa, Shoichi Kai

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This Letter reports a transition to spatiotemporal chaos (STC) in an electroconvective system of a homeotropic nematic liquid crystal under a symmetry breaking. The homeotropic system has a continuous symmetry which leads to the occurring of STC at a threshold for convection. When the symmetry is broken by an external field, a periodic pattern appears first and then STC appears at a higher transition point. The transition from the periodic pattern to STC is investigated by order parameters which were obtained from spectra of convective patterns. The results are compared with the recent theoretical researches for the damped Nikolaevskiy equation.

Original languageEnglish
Article number073001
JournalJournal of the Physical Society of Japan
Volume77
Issue number7
DOIs
Publication statusPublished - Jul 1 2008

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chaos
broken symmetry
transition points
convection
liquid crystals
thresholds
symmetry

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

A transition to spatiotemporal chaos under a symmetry breaking in a homeotropic nematic system. / Anugraha, Rinto; Hidaka, Yoshiki; Oikawa, Noriko; Kai, Shoichi.

In: Journal of the Physical Society of Japan, Vol. 77, No. 7, 073001, 01.07.2008.

Research output: Contribution to journalArticle

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AB - This Letter reports a transition to spatiotemporal chaos (STC) in an electroconvective system of a homeotropic nematic liquid crystal under a symmetry breaking. The homeotropic system has a continuous symmetry which leads to the occurring of STC at a threshold for convection. When the symmetry is broken by an external field, a periodic pattern appears first and then STC appears at a higher transition point. The transition from the periodic pattern to STC is investigated by order parameters which were obtained from spectra of convective patterns. The results are compared with the recent theoretical researches for the damped Nikolaevskiy equation.

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