Publication
Molecular Physics
Paper

Equation of state of a hard-core fluid with a Yukawa tail

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Abstract

We present Monte Carlo results for the equation of state of a fluid in which the intermolecular potential consists of a hard core of diameter a and an attractive tail which is of the form of a Yukawa function, - exp (—λ(r-σ))/r with λ= 1.8/σ. These results are compared with those obtained from perturbation theory, the mean spherical approximation (MSA), and three related approximation schemes. While perturbation theory works rather well for this system, the MSA is considerably less satisfactory. However, the exponential and linearized exponential modifications of the MSA and the generalized MSA all give good results for this system. © 1978 Taylor & Francis Group, LLC.

Date

01 Jan 1978

Publication

Molecular Physics