Homework

5.

Estimate the relative error from the cut-off of the Lennard-Jones 6-12 potential at $r_{ij}=3\sigma$ if the average density is $N\sigma^3/V=0.8$. Hint: Recall the expression for the potential energy in terms of the g(r) and assume, that g(r)=1 at $r_{ij}\gt 3\sigma$