Analysis of light-scattering measurements near a cloud point

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Abstract
An anlysis is reported of earlier light-scattering measurements by Wong and Knobler on a liquid mixture undergoing phase separation. When the system was quenched into the two-phase region to a temperature near the cloud point, the growth of intensity with time displayed two characteristic regions: an initial rapid rise followed by a sharp crossover to slower growth. It is shown that such behavior is consistent with the predictions of the Langer-Schwartz description of the homogeneous nucleation and growth of droplets.