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On the choice of the effective diameter in the high-temperature expansion for the Lennard–Jones fluid

Abstract: A third-order perturbation theory, within the framework of the high temperature expansion, with the perturbation terms obtained from computer simulation, is used to test the performance of several prescriptions proposed in the literature to obtain the effective hard-sphere diameter for the Lennard?Jones fluid. It is found that the classical Barker?Henderson prescription provides, on the whole, the best accuracy as compared with the available simulation data for the excess energy, the equation of state and the liquid-vapour coexistence densities.

 Autoría: Akhouri B.P., Solana J.R.,

 Fuente: Molecular Physics, 2022, 120(7), e2028918

 Editorial: Taylor and Francis Ltd.

 Año de publicación: 2022

 Nº de páginas: 7

 Tipo de publicación: Artículo de Revista

 DOI: 10.1080/00268976.2022.2028918

 ISSN: 0026-8976,1362-3028

 Url de la publicación: https://doi.org/10.1080/00268976.2022.2028918