Subdiffusive motion in kinetically constrained models


Jack, R. L., Sollich, P. and Mayer, P., 2008. Subdiffusive motion in kinetically constrained models. Physical Review E, 78 (6), 061107.

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We discuss a kinetically constrained model in which real-valued local densities fluctuate in time, as introduced recently by Bertin, Bouchaud, and Lequeux. We show how the phenomenology of this model can be reproduced by an effective theory of mobility excitations propagating in a disordered environment. Both excitations and probe particles have subdiffusive motion, characterized by different exponents and operating on different time scales. We derive these exponents, showing that they depend continuously on one of the parameters of the model.


Item Type Articles
CreatorsJack, R. L., Sollich, P. and Mayer, P.
DepartmentsFaculty of Science > Physics
ID Code12743


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