Magnetic field dependence of spatiotemporal chaos in a homeotropic nematic system

Fahrudin Nugroho, Tatsuhiro Ueki, Rinto Anugraha, Yoshiki Hidaka, Shoichi Kai

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We investigate the response of electroconvective patterns to an external magnetic field H in a homeotropic nematic system where spatiotemporal chaos called soft-mode turbulence (SMT) occurs. The pattern ordering Mp, which shows pattern regularity in SMT, increases with the magnetic field H due to the suppression of the azimuthal rotational freedom. Three regions in the H-dependence of Mp are found: the zero regime, the steep increase regime and the saturated regime. In the steep increase regime, Mp shows a linear relation with H̄2, from which the susceptibility χp for the pattern ordering is obtained.

元の言語英語
記事番号123001
ジャーナルJournal of the Physical Society of Japan
79
発行部数12
DOI
出版物ステータス出版済み - 12 1 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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