Transport Properties of Simple Fluids from the Soft-Core Double Yukawa Potential

2005 ◽  
Vol 52 (6) ◽  
pp. 1073-1078
Author(s):  
Fariba S. Hashemi ◽  
Farahnaz Yaghoobi
Keyword(s):  
Transport Properties ◽  
Yukawa Potential ◽  
Soft Core ◽  
Simple Fluids ◽  
Double Yukawa Potential

EFFECTIVE HARD-SPHERE DIAMETERS IN SIMPLE CLASSICAL FLUIDS AND APPLICATIONS TO DOUBLE YUKAWA POTENTIAL

1999 ◽  
Vol 13 (11) ◽  
pp. 1419-1436 ◽  
Author(s):  
S. M. OSMAN ◽  
I. ALI
Keyword(s):  
Hard Sphere ◽  
Yukawa Potential ◽  
Accurate Method ◽  
Model Potential ◽  
Jones Potential ◽  
Classical Fluids ◽  
Continuous Potential ◽  
Double Yukawa Potential ◽  
Potential Parameters ◽  
Hard Sphere Diameters

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 Lennard–Jones 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.

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