A phenomenological model of photo-induced traveling waves in liquid-crystalline langmuir monolayers

Tohru Okuzono, Yuka Tabe, Hiroshi Yokoyama

研究成果: Article査読

抄録

A phenomenological model of photo-induced traveling waves in liquid-crystalline Langmuir monolayers is presented. A linear stability analysis and numerical simulations of this model reveal that there are two oscillatory unstable modes with lower and higher wavenumbers which cause the traveling waves. The unstable mode with the lower wavenumber arises due to an interplay between the spontaneous splay deformation of liquid crystal order and the anisotropic photoexcitation of molecules. The other unstable mode with the higher wavenumber is concerned with the phase separation of the concentration field induced by the spontaneous splay deformation. The numerical simulations also show the coexistence between these two modes for certain parameter values.

本文言語English
ページ(範囲)233/[893]-242/[902]
ジャーナルMolecular Crystals and Liquid Crystals
435
DOI
出版ステータスPublished - 2005 1 1
外部発表はい

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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