Role of three-body interactions in formation of bulk viscosity in liquid argon

The Journal of Chemical Physics
S V Lishchuk

Abstract

With the aim of locating the origin of discrepancy between experimental and computer simulation results on bulk viscosity of liquid argon, a molecular dynamic simulation of argon interacting via ab initio pair potential and triple-dipole three-body potential has been undertaken. Bulk viscosity, obtained using Green-Kubo formula, is different from the values obtained from modeling argon using Lennard-Jones potential, the former being closer to the experimental data. The conclusion is made that many-body inter-atomic interaction plays a significant role in formation of bulk viscosity.

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Citations

Sep 23, 2014·The Journal of Chemical Physics·Vladimir G Baidakov, Sergey P Protsenko
May 10, 2018·The Journal of Chemical Physics·Frederike JaegerErich A Müller
Jan 23, 2021·The Journal of Chemical Physics·René Spencer Chatwell, Jadran Vrabec

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