Abstract
We present an accurate method to determine the effective hard-sphere diameters for systems interacting via an arbitrary continuous potential within the Gibbs-Bogoliaubov variational approach. As a specific application we consider the double Yukawa (DY) model potential with potential parameters fitted such that they reproduce the LennardJones potential. To assess the accuracy of the theory, we give a direct comparison of the thermodynamic properties with simulation results and with experimental data for Argon. Also, comparisons with previous models are made.
Original language | English |
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Pages (from-to) | 1419-1436 |
Number of pages | 18 |
Journal | International Journal of Modern Physics B |
Volume | 13 |
Issue number | 11 |
DOIs | |
Publication status | Published - 1999 |
ASJC Scopus subject areas
- Statistical and Nonlinear Physics
- Condensed Matter Physics