Monte Carlo study of the surface area of liquid droplets |
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Authors: | K. Binder D. Stauffer |
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Affiliation: | (1) Physik Department, Technische Universität, Garching, West Germany;(2) Present address: Department of Physics, University of Illinois, Urbana, Illinois |
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Abstract: | Computer simulation of droplets containingl molecules (l 1000) in a lattice gas shows that the average surface area is proportional tol; 0.6 in two and = 0.825 in three dimensions for small droplets. These exponents agree approximately with those in Kadanoff's modification of Fisher's droplet model near critical points [= (1 + )/; ourT/Tc is 0.4, 0.7, and 0.9]. For larger droplets, these exponents change to 1/2 (d = 2) and 2/3 (d = 3), the transition occurring for droplet diameters larger than the coherence length and smaller than the critical diameter in the nucleation of supersaturated vapors. This latter result rises some doubts on a recent nucleation theory of Eggingtonet al. |
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Keywords: | Monte Carlo lattice gas surface area surface tension droplet model critical point scaling laws nucleation |
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