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State equation for dense gases and liquids from a self-consistent-field approach (1103.6012v1)
Published 30 Mar 2011 in cond-mat.stat-mech
Abstract: The departure from ideal gas behavior is described by several known equations of state (EoS), developed from a combination of theoretical considerations and experimental correlations. In this work a different approach is proposed, in which from a pairwise potential of the Lennard-Jones type, interaction between molecules is accounted for by means of a self-consistent force field. An EoS is thus derived and compared to the Virial and to the van der Waals EoS.
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