Soft-mode turbulence in electrohydrodynamic convection of a homeotropically aligned nematic layer

Yoshiki Hidaka, Jong Hoon Huh, Ken ichi Hayashi, Shoichi Kai, Michael I. Tribelsky

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

The experimental study of electroconvection in a homeotropically aligned nematic (MBBA) is reported. The system undergoes a supercritical bifurcation “rest state-spatiotemporal chaos.” The chaos is caused by long-wavelength modulation of the orientation of convective rolls. For the first time the observations both below and beyond the Lifshitz point are accompanied by quantitative analysis of temporal autocorrelation functions of turbulent modes. The dependence of the correlation time on the control parameter is obtained. A secondary bifurcation from normal to abnormal rolls is discussed.

Original languageEnglish
Pages (from-to)R6256-R6259
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume56
Issue number6
DOIs
Publication statusPublished - Jan 1 1997

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Condensed Matter Physics
  • Physics and Astronomy(all)

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