%0 Journal Article
%T Estimating the density-scaling exponent of a monatomic liquid from its pair potential
%A Lasse B£¿hling
%A Nicholas P. Bailey
%A Thomas B. Schr£¿der
%A Jeppe C. Dyre
%J Physics
%D 2014
%I arXiv
%R 10.1063/1.4869114
%X This paper investigates two conjectures for calculating the density dependence of the density-scaling exponent of a single-component, pair-potential liquid with strong virial potential-energy correlations. The first conjecture gives an analytical expression for the density-scaling exponent directly in terms of the pair potential. The second conjecture is a refined version of this, which involves the most likely nearest-neighbor distance determined from the pair-correlation function. The two conjectures for the density-scaling exponent are tested by simulations of three systems, one of which is the standard Lennard-Jones liquid. While both expressions give qualitatively correct results, the second expression is more accurate.
%U http://arxiv.org/abs/1401.2606v2