Rowlinson's concept of an effective hard sphere diameter.
Attention is drawn to John Rowlinson's idea that the repulsive portion of the intermolecular interaction may be replaced by a temperature-dependent hard sphere diameter. It is this approximation that made the development of perturbation theory possible for realistic fluids whose intermolecular interactions have a steep, but finite, repulsion at short separations.
Henderson
Douglas
D
Department of Chemistry and Biochemistry, Brigham Young University, Provo UT 84602.