Effective hard-sphere diameters in simple classical fluids and applications to double Yukawa potential

S. M. Osman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

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 languageEnglish
Pages (from-to)1419-1436
Number of pages18
JournalInternational Journal of Modern Physics B
Volume13
Issue number11
Publication statusPublished - 1999

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Statistical and Nonlinear Physics
  • Mathematical Physics

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