Before revision: Then fluctuations with wavevectors become spontaneously unstable, where the critical wave number is given by: which corresponds to a fluctuations above a critical wavelength Dynamics of spinodal decomposition when molecules move via diffusion Spinodal decomposition can be modeled using a generalized diffusion equationHilliard , J.E., Spinodal Decomposition, in Phase Transformations p. 497 (American Society of Metals, Metals Park, 1970) for the chemical potential and the mobility.
After revision: Then fluctuations with wavevectors become spontaneously unstable, where the critical wave number is given by: which corresponds to a fluctuations above a critical wavelength Dynamics of spinodal decomposition when molecules move via diffusion Spinodal decomposition can be modeled using a generalized diffusion equationHilliard: , J.E., Spinodal Decomposition, in Phase Transformations p. 497 (American Society of Metals, Metals Park, 1970) for the chemical potential and the mobility.