Static lengths in glass-forming monodisperse hard-sphere fluids from periodic array pinning

Yuxing Zhou, Scott Thomas Milner

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Abstract

We explore the static length in glass-forming hard-sphere liquids revealed by the response of dynamical properties (diffusion coefficient D and α relaxation time τα) to a regular array of pinned particles. By assuming a universal scaling form, we find data can be excellently collapsed onto a master curve, from which relative length scales can be extracted. By exploiting a crystal-avoiding simulation method that suppresses crystallization while preserving dynamics, we can study monodisperse as well as polydisperse systems. The static length obtained from dynamical property Q (τα and D) scales as logQ ∼ ξψs, with ψ ≈ 1.

Original languageEnglish (US)
Pages (from-to)402-407
Number of pages6
JournalSoft Matter
Volume12
Issue number2
DOIs
Publication statusPublished - Jan 1 2016

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics

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