Diffusion in disordered lattices and related Heisenberg ferromagnets

dc.creatorGrynberg, Marcelo Daniel
dc.creatorStinchcombe, R. B.
dc.date2000-12
dc.date2020-09-14T15:14:18Z
dc.date.accessioned2023-07-14T22:00:57Z
dc.date.available2023-07-14T22:00:57Z
dc.identifierhttp://sedici.unlp.edu.ar/handle/10915/104522
dc.identifierhttp://hdl.handle.net/11336/98435
dc.identifierissn:1063-651X
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7445281
dc.descriptionWe study the diffusion of classical hard-core particles in disordered lattices within the formalism of a quantum spin representation. This analogy enables an exact treatment of noninstantaneous correlation functions at finite particle densities in terms of single spin excitations in disordered ferromagnetic backgrounds. Applications to diluted chains and percolation clusters are discussed. It is found that density fluctuations in the former exhibit a stretched exponential decay while an anomalous power law asymptotic decay is conjectured for the latter.
dc.descriptionInstituto de Física La Plata
dc.formatapplication/pdf
dc.format324-331
dc.languageen
dc.rightshttp://creativecommons.org/licenses/by-nc-sa/4.0/
dc.rightsCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.subjectFísica
dc.subjectStretched exponential decay
dc.titleDiffusion in disordered lattices and related Heisenberg ferromagnets
dc.typeArticulo
dc.typeArticulo


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