Kinetic equation for liquids with a multistep potential of interaction. H-theorem

A new kinetic equation for dense gases and liquids with the interparticle potential of interaction in a form of the multistep function is proposed. The equation is consistently derived on the basis of Zubarev's nonequilibrium statistical operator method using a modification for weakening correl...

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Bibliographic Details
Published in:Physica A 1996-12, Vol.234 (1), p.89-107
Main Authors: Omelyan, I.P., Tokarchuk, M.V.
Format: Article
Language:English
Subjects:
Boundary condition
Dense gases
H-theorem
Kinetic equation
Multistep potential
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Summary:A new kinetic equation for dense gases and liquids with the interparticle potential of interaction in a form of the multistep function is proposed. The equation is consistently derived on the basis of Zubarev's nonequilibrium statistical operator method using a modification for weakening correlations principle which takes into account local conservation laws. In particular cases this equation coincides with the well known kinetic equations for hard-sphere and square-well potentials. Application of the obtained kinetic equation to real systems is discussed. A proof of a global H-theorem is given.
ISSN:0378-4371
1873-2119
DOI:10.1016/S0378-4371(96)00286-5