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Ratio of limiting values of the effective mobility μ(0)/μ(∞) as a function of a/R. The solid, dashed, and dotted lines corresponding to l/R equal to 1, 2, and ∞, respectively, as indicated by numbers near the curves, are calculated from eqs 7, 8, and 16. Circles represent the ratio μ(0)/μ(105) found in simulations at l/R = 2.
