How to reconcile classical nucleation theory with cluster-cluster aggregation

Z. Alexandrowicz

Physica A: Statistical Mechanics and its Applications, 1993, vol. 200, issue 1, 250-257

Abstract: Classical nucleation theory (CNT) assumes that the production of clusters involves a gain and loss of single molecules, without aggregation. Simulations at T≅Tc seem to disagree. We show that, when a growing embryo cluster aggregates with cluster of any size d, the dominant contribution is of d=1 (single molecules). The production of the larger clusters obeys therefore CNT. The production of relatively smaller clusters, however, is coupled to their slow aggregation with the largest clusters, and behaves differently. Our theory explains the simulations, and reconciles CNT with aggregation.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:200:y:1993:i:1:p:250-257

DOI: 10.1016/0378-4371(93)90523-7

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