Grain Boundary Diffusion in a Peierls-Nabarro Potential

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dc.creatorLeoni, F.
dc.creatorZapperi, S.
dc.date2007-10-03
dc.date.accessioned2026-07-07T08:50:42Z
dc.date.available2026-07-07T08:50:42Z
dc.descriptionWe investigate the diffusion of a grain boundary in a crystalline material. We consider in particular the case of a regularly spaced low-angle grain boundary schematized as an array of dislocations that interact with each other through long-range stress fields and with the crystalline Peierls-Nabarro potential. The methodology employed to analyze the dynamics of the center of mass of the grain boundary and its spatio-temporal fluctuations is based on over-damped Langevin equations. The generality and the efficiency of this technique is proved by the agreement with molecular dynamics simulations.
dc.description12 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/0710.0807
dc.identifierhttp://arxiv.org/abs/0710.0807
dc.identifierJ. Stat. Mech. (2007) P12004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/144688
dc.subjectStatistical Mechanics
dc.subjectMaterials Science
dc.titleGrain Boundary Diffusion in a Peierls-Nabarro Potential
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