Shear-induced criticality near a liquid-solid transition of colloidal suspensions

Masamichi J. Miyama, Shin Ichi Sasa

研究成果: Article査読

4 被引用数 (Scopus)

抄録

We investigate colloidal suspensions under shear flow through numerical experiments. By measuring the time-correlation function of a bond-orientational order parameter, we find a divergent time scale near a transition point from a disordered fluid phase to an ordered fluid phase, where the order is characterized by a nonzero value of the bond-orientational order parameter. We also present a phase diagram in the (ρ,γ ex) plane, where ρ is the density of the colloidal particles and γ ex is the shear rate of the solvent. The transition line in the phase diagram terminates at the equilibrium transition point, while a critical region near the transition line vanishes continuously as γ ex→0.

本文言語English
論文番号020401
ジャーナルPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
83
2
DOI
出版ステータスPublished - 2011 2 15
外部発表はい

ASJC Scopus subject areas

  • 統計物理学および非線形物理学
  • 統計学および確率
  • 凝縮系物理学

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