Hard sphere model
Interaction Potential
The hard sphere interaction potential is given by
where is the potential energy between two spheres at a distance , and is the sphere diameter.
Equations of state
Hard sphere fluid:
- See Carnahan-Starling (three dimensions)
- See Ref.1
Related systems
Hard disks in a 2-dimensional space
Hard rods in one dimension
Data
Virial coefficients of hard spheres and hard disks