Free Volume cannot Explain the Spatial Heterogeneity of Debye-Waller factors in a Glass-Forming Binary Alloy

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dc.creatorWidmer-Cooper, Asaph
dc.creatorHarrowell, Peter
dc.date2005-11-29
dc.date.accessioned2026-07-07T12:32:39Z
dc.date.available2026-07-07T12:32:39Z
dc.descriptionWe examine the relation between the free volume per particle and the variance of the particle position, equivalent to a local Debye-Waller (DW) factor for a 2D glass-forming alloy using molecular dynamics simulations. We find that the latter quantity exhibits significant spatial heterogeneity despite involving trajectories two orders of magnitude shorter than those typically used to measure such heterogeneities. We find that the free volume exhibits no significant spatial correlation with the local DW factor. We conclude that the spatial variation in local free volume is not the cause of the short time dynamic heterogeneity.
dc.description18 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0511690
dc.identifierhttp://arxiv.org/abs/cond-mat/0511690
dc.identifierJournal of Non-Crystalline Solids 352 (2006) 5098-5102
dc.identifierdoi:10.1016/j.jnoncrysol.2006.01.136
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216849
dc.subjectDisordered Systems and Neural Networks
dc.subjectSoft Condensed Matter
dc.subjectStatistical Mechanics
dc.titleFree Volume cannot Explain the Spatial Heterogeneity of Debye-Waller factors in a Glass-Forming Binary Alloy
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