The extended Enskog operator for simple fluids with continuous potentials: single particle and collective properties

Kunimasa Miyazaki, I.M. de Schepper and Biman Bagchi

Physica A: Statistical Mechanics and its Applications, 2001, vol. 298, issue 1, 101-120

Abstract: We generalized the Enskog theory originally developed for the hard-sphere fluid to fluids with continuous potentials, such as the Lennard–Jones. We derived the expression for the k and ω dependent transport coefficient matrix which enables us to calculate the transport coefficients for arbitrary length and time scales. Our results reduce to the conventional Chapman–Enskog expression in the low density limit and to the conventional k dependent Enskog theory in the hard-sphere limit. As examples, the self-diffusion of a single atom, the vibrational energy relaxation, and the activated barrier crossing dynamics problem are discussed.

Keywords: Kinetic theory; Continuous potential; Enskog theory (search for similar items in EconPapers)
Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:298:y:2001:i:1:p:101-120

DOI: 10.1016/S0378-4371(01)00213-8

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