Abstract
We consider the effect of intermolecular interactions on the optimal size-distribution of N hard spheres that occupy a fixed total volume. When we minimize the free-energy of this system, within the Percus–Yevick approximation, we find that no solution exists beyond a quite low threshold (η≈0.260). Monte Carlo simulations reveal that beyond this density, the size-distribution becomes bimodal. Such distributions cannot be reproduced within the Percus–Yevick approximation. We present a theoretical argument that supports the occurrence of a nonmonotonic size-distribution and emphasize the importance of finite size effects.
References
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:17 a.m.) |
Deposited | 2 years, 2 months ago (June 25, 2023, 9:22 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 11, 2024, 5:59 a.m.) |
Issued | 26 years, 5 months ago (March 15, 1999) |
Published | 26 years, 5 months ago (March 15, 1999) |
Published Print | 26 years, 5 months ago (March 15, 1999) |
@article{Zhang_1999, title={Optimal packing of polydisperse hard-sphere fluids}, volume={110}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.478426}, DOI={10.1063/1.478426}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Zhang, Junfang and Blaak, Ronald and Trizac, Emmanuel and Cuesta, José A. and Frenkel, Daan}, year={1999}, month=mar, pages={5318–5324} }