Hybrid weighted-density approximation for nonuniform fluid mixtures.
A hybrid weighted-density approximation (HWDA), which is based on both local density and globally averaged density, has been proposed to study the structural properties of nonuniform fluid mixtures. The advantage is that the HWDA is computationally much simpler than the extended weighted-density approximation proposed by Davidchack and Laird. The HWDA has been applied to calculate the density profiles of binary hard-sphere mixtures near a structureless hard wall. Comparison between the theoretical results and simulations for the confined binary hard-sphere mixtures demonstrates the reliable accuracy of the HWDA.
Kim
S C
SC
Department of Physics, Andong National University, Andong, 760-749 Korea. sckim@anu.andong.ac.kr
Lee
C H
CH
Seong
B S
BS