Radial distribution function of penetrable sphere fluids to the second order in density.

@article{Santos2007RadialDF,
  title={Radial distribution function of penetrable sphere fluids to the second order in density.},
  author={Andr{\'e}s Santos and Alexandr Malijevsk{\'y}},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2007},
  volume={75 2 Pt 1},
  pages={021201}
}
The simplest bounded potential is that of penetrable spheres, which takes a positive finite value epsilon if the two spheres are overlapped, being zero otherwise. In this paper we derive the cavity function to second order in density and the fourth virial coefficient as functions of T* identical with k(B)T/epsilon (where k(B is the Boltzmann constant and T… CONTINUE READING