Sutherland formula for a square-well fluid.
We introduce a closed Onsager-symmetric set of linear kinetic equations for smooth interactions. The new formula is an equivalent of the Enskog equation for hard spheres. Corresponding Green-Kubo expressions for transport coefficients are given with high temperature corrections from finite potentials-Sutherland formula, not only for thermal conductivity and shear viscosity, but also bulk viscosity with discussion of the square-well case.
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