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The coarsening dynamics of the Cahn-Hilliard equation with order-parameterdependent mobility, $\lambda(\phi) \propto (1-\phi^2)^\alpha$, is addressed atzero temperature in the Lifshitz-Slyozov limit where the minority phaseoccupies a vanishingly small volume fraction. Despite the absence of bulkdiffusion for $\alpha>0$, the mean domain size is found to grow as $<R >\propto t^{1/(3+\alpha)}$, due to subdiffusive transport of the order parameterthrough the majority phase. The domain-size distribution is determinedexplicitly for the physically relevant case $\alpha = 1$.Comment: 4 pages, Revtex, no figure

Lifshitz-Slyozov scaling for late-stage coarsening with an order-parameter-dependent mobility