Cluster variational method for a fluid in a narrow capillary
- 1 December 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 42 (12) , 7340-7346
- https://doi.org/10.1103/physreva.42.7340
Abstract
We present a theoretical study of a fluid in a narrow planar capillary, including the effects of the periodic structure of the confining walls. A layering transition had been observed for the same model in a previous Monte Carlo simulation, but it is missing in our density-functional calculation. The transition is recovered with an approach based on the cluster variational method, which treats the free energy as a functional of the four-particle distribution function.Keywords
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