Excluded volume
= Excluded volume
{wiki}
The excluded volume is the volume of relative positions forbidden to another particle. For hard spheres of radius $r_0$, that forbidden region is a sphere of radius $2r_0$.
= Excluded volume
{wiki}
The excluded volume is the volume of relative positions forbidden to another particle. For hard spheres of radius $r_0$, that forbidden region is a sphere of radius $2r_0$.