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29 March 2024
 
  » pubmed » pmid15447353

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Heterogeneous dynamics of coarsening systems
P Mayer ; H Bissig ; L Berthier ; L Cipelletti ; J P Garrahan ; P Sollich ; V Trappe ;
Date 10 Sep 2004
Journal Phys Rev Lett, 93 (11), 115701
AbstractWe show by means of experiments, theory, and simulations that the slow dynamics of coarsening systems displays dynamic heterogeneity similar to that observed in glass-forming systems. We measure dynamic heterogeneity via novel multipoint functions which quantify the emergence of dynamic, as opposed to static, correlations of fluctuations. Experiments are performed on a coarsening foam using time-resolved correlation, a recently introduced light scattering method. Theoretically we study the Ising model, and present exact results in one dimension, and numerical results in two dimensions. For all systems the same dynamic scaling of fluctuations with domain size is observed.
Source PubMed, pmid15447353
Other source [GID 686201] cond-mat/0405402
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