Abstract
We studied the implication of the distinction between the kinetic and the thermodynamic critical nuclei in nucleation kinetics of unary systems. It is shown that when this distinction is significant, the attachment and the detachment rates of monomers do not differ appreciably. The analytical expressions of the nucleation rate and the cluster number density are obtained as functions of time and the cluster size and are found to be in good agreement with the numerical solution of the kinetic equation.
