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On the behaviour of small cluster near the spinodal decomposition

Bagchi, Biman (1987) On the behaviour of small cluster near the spinodal decomposition. In: Proceedings of Indian Academy of Sciences: Chemical Sciences, 99 (4). pp. 243-252.

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Abstract

The canonical average of the Boltzmann factor of the interaction potential, as measured by a test particle, is shown to be equal to the inverse of the fraction of the average number $(\={m}_1)$ of 1-particle Mayer clusters. The potential distribution theory is used to derive zn analytic expression for a mean number of small clusters $(\={m}_n, 1 \le n < N$, in an N-particle system) in the mean-field expression. Near the spinodal density, the average number of small clusters undergo a sharp change. Computation of pressure shows that only the first four clusters produce surprisingly good agreement with known pressure even beyond the spinodal density.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian Academy of Sciences
Keywords: Behaviour of small clusters;spinodal decomposition;interaction potential;Mayer clusters;spinodal density;mean-field theory
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 02 Apr 2008
Last Modified: 22 Oct 2010 09:05
URI: http://eprints.iisc.ernet.in/id/eprint/13595

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