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Growing Spatial Correlations of Particle Displacements in a Simulated Liquid on Cooling Toward the Glass Transition

Published

Author(s)

C Donati, S C. Glotzer, P H. Poole

Abstract

We define a correlation function that quantifies the spatial correlation of single-particle displacements in liquids and amorphous materials. We show for an equilibrium liquid that this function is related to fluctuations in a bulk dynamical variable. We evaluate this function using computer simulations of an equilibrium glass-forming liquid, and show that long range spatial correlations of displacements emerge and grow on cooling toward the mode coupling critical temperature.
Citation
Physical Review Letters
Volume
82
Issue
No. 25

Keywords

computer simulations, glass transition, molecular dynamics

Citation

Donati, C. , Glotzer, S. and Poole, P. (1999), Growing Spatial Correlations of Particle Displacements in a Simulated Liquid on Cooling Toward the Glass Transition, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851553 (Accessed June 24, 2024)

Issues

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Created June 1, 1999, Updated February 17, 2017