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Identification of long-lived clusters and their link to slow dynamics in a model glass former

Malins, Alex; Eggers, Jens; Royall, C. Patrick; Williams, Stephen R.; Tanaka, Hajime

Description

We study the relationship between local structural ordering and dynamical heterogeneities in a model glass-forming liquid, the Wahnstrom mixture. A novel cluster-based approach is used to detect local energy minimum polyhedral clusters and local crystalline environments. A structure-specific time correlation function is then devised to determine their temporal stability. For our system, the lifetime correlation function for icosahedral clusters decays far slower than for those of...[Show more]

CollectionsANU Research Publications
Date published: 2012-03-08
Type: Journal article
URI: http://hdl.handle.net/1885/15642
Source: Journal of Chemical Physics
DOI: 10.1063/1.4790515

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