Interparticle force in nematic colloids: Comparison between experiment and theory

Takahiro Kishita, Noboru Kondo, Kenji Takahashi, Masatoshi Ichikawa, Jun Ichi Fukuda, Yasuyuki Kimura

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

We have studied the interparticle force between two colloidal particles in a nematic liquid crystal experimentally and theoretically. The force F was directly measured using dual-beam optical tweezers and was numerically calculated from the equilibrium tensor field around the particles. The dependence of F on the center-to-center distance R between the particles was studied not only for equal-sized particles but also for different-sized ones in various kinds of configurations and arrangements. The magnitude of F between different-sized particles in the dipole configuration depends on their relative arrangement. Both experimental and theoretical force curves are found to be in good agreement with each other. At large R, they also make agreement with those predicted by an electrostatic analogy of nematic field.

本文言語英語
論文番号021704
ジャーナルPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
84
2
DOI
出版ステータス出版済み - 8 5 2011

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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