Mayer, P.Department of Mathematics, King's College, London, United Kingdom
Bissig, HugoSoft Condensed Matter Group, Physics Department, University of Fribourg, Switzerland
Berthier, L.Rudolf Peierls Centre for Theoretical Physics, University of Oxford, United Kingdom - Laboratoire des Verres UMR 5587, Université Montpellier II and CNRS, France
Cipelletti, LucaGDPC UMR 5581, Université Montpellier II and CNRS, Montpellier, France
Garrahan, J. P.School of Physics and Astronomy, University of Nottingham, United Kingdom
Sollich, P.Department of Mathematics, King's College, London, United Kingdom
Trappe, VéroniqueSoft Condensed Matter Group, Physics Department, University of Fribourg, Switzerland
Physical Review Letters. - 2004, vol. 93, p. 11570-11573
English
We 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.