Abstract
A new viewpoint on the kinetics of Ostwald ripening is presented by studying the kinetic equation recently derived for the late stage of phase separation. It is shown that the average droplet radius grows as t 1 3 and the number density of droplets decays as t -1. An important effect of a soft (distant) collision on coarsening is discussed. Thus the relative droplet size distribution function is found to obey a second-order differential equation. The coarsening rate is also expressed in terms of the distribution function, leading to a dependence on the volume fraction of the minority phase.
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