Rigid diffusion paths in droplet growth

摘要

A theory for growth of a single droplet of the new stable phase during a first-order phase transition is developed. In the early stage, growth occurs through particle diffusion inhibited by the surface pressure of the spherical droplet. As the droplet grows, the surface curvature diminishes and a transition to rapid propagation of the concentration front occurs. Results are given for the initial and asymptotic droplet distribution function and for the single droplet growth law.