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Simulating critical dynamics in liquid mixtures: short-range and long-range contributions

Simulating critical dynamics in liquid mixtures: short-range and long-range contributions

Journal of Chemical Physics 127(14): 144506

Recently, Das et al. [J. Chem. Phys. 125, 024506 (2006)] established that computer simulations of critical dynamics in a binary Lennard-Jones mixture are consistent with the predicted Stokes-Einstein behavior of the asymptotic decay rate of the order-parameter fluctuations near criticality. Here, we show that the noncritical or "background" contributions to the computed diffusion coefficient are also in agreement with both theory and experiment, thus further validating the feasibility of molecular dynamics simulations for studying dynamic critical behavior.

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Accession: 055783473

Download citation: RISBibTeXText

PMID: 17935408

DOI: 10.1063/1.2770736

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