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Journal Articles Physica A: Statistical Mechanics and its Applications Year : 2015

Thermodynamic scaling law for the diffusion coefficient in hard-sphere system

Abstract

Two scaling laws are investigated, which are devoted to link the diffusion coefficient to the thermodynamic properties for the athermal hard-sphere system, over the wide range of packing fraction covering the stable and metastable regimes. It is found that the most relevant control parameter is not the excess entropy, but the compressibility factor, i.e. the logarithm derivative of the excess entropy with respect to the packing fraction.
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hal-01515834 , version 1 (28-04-2017)

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Jean-Marc Bomont, Jean-Louis Bretonnet. Thermodynamic scaling law for the diffusion coefficient in hard-sphere system. Physica A: Statistical Mechanics and its Applications, 2015, 420, pp.23-27. ⟨10.1016/j.physa.2014.10.015⟩. ⟨hal-01515834⟩
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