Abstract
With molecular dynamics simulations of a fluid mixture of classical particles interacting with pairwise additive Weeks-Chandler-Andersen potentials, we consider the time series of particle displacements and thereby determine the distributions for local persistence times and local exchange times. These basic characterizations of glassy dynamics are studied over a range of supercooled conditions and were shown to have behaviors, most notably decoupling, similar to those found in kinetically constrained lattice models of structural glasses. Implications are noted.
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Dates
Type | When |
---|---|
Created | 17 years, 8 months ago (Dec. 3, 2007, 7:08 p.m.) |
Deposited | 2 years, 1 month ago (July 3, 2023, 3:32 p.m.) |
Indexed | 3 weeks ago (July 30, 2025, 6:49 a.m.) |
Issued | 17 years, 8 months ago (Dec. 3, 2007) |
Published | 17 years, 8 months ago (Dec. 3, 2007) |
Published Online | 17 years, 8 months ago (Dec. 3, 2007) |
Published Print | 17 years, 8 months ago (Dec. 7, 2007) |
@article{Hedges_2007, title={Decoupling of exchange and persistence times in atomistic models of glass formers}, volume={127}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.2803062}, DOI={10.1063/1.2803062}, number={21}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Hedges, Lester O. and Maibaum, Lutz and Chandler, David and Garrahan, Juan P.}, year={2007}, month=dec }