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Single file diffusion in macroscopic Wigner rings

Gwennou Coupier, Michel Saint Jean, Claudine Guthmann

cond-mat.stat-mecharXiv:cond-mat/0603050

Abstract

The single file diffusion in a circular channel of millimetric charged balls is studied. The evolution in time of the mean square displacement is shown to be subdiffusive, but slower than the power-like t1/2 behavior observed in circular colloidal systems or predicted in one-dimensional infinite systems.

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