Two-Dimensional Diffusion in the Presence of Topological Disorder

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dc.creatorChen, Ligang
dc.creatorDeem, Michael W.
dc.date2003-08-29
dc.date.accessioned2026-07-07T02:53:11Z
dc.date.available2026-07-07T02:53:11Z
dc.descriptionHow topological defects affect the dynamics of particles hopping between lattice sites of a distorted, two-dimensional crystal is addressed. Perturbation theory and numerical simulations show that weak, short-ranged topological disorder leads to a finite reduction of the diffusion coefficient. Renormalization group theory and numerical simulations suggest that longer-ranged disorder, such as that from randomly placed dislocations or random disclinations with no net disclinicity, leads to subdiffusion at long times.
dc.description10 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0308612
dc.identifierhttp://arxiv.org/abs/cond-mat/0308612
dc.identifierPhys. Rev. E 68 (2003) 021107
dc.identifierdoi:10.1103/PhysRevE.68.021107
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22114
dc.subjectStatistical Mechanics
dc.titleTwo-Dimensional Diffusion in the Presence of Topological Disorder
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