Nucleation rates and the kinetics of particle growth II. The birth and death process

Abstract
The model considered in part I is generalized to include growth mechanisms in which the chemical reaction which proceeds at the particle-atmosphere interface is reversible, so that molecules may evaporate from a particle as well as condense upon it. The Becker-Doring-Zeldovich-Frenkel theory of homogeneous nucleation kinetics is then reviewed in the light of the known statistical problem of the birth-and-death process, and an improved approximation is introduced which significantly alters the calculated results. Both steady-state nucleation kinetics and the time lag problem are discussed.

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