For a fluid of
particles, enclosed in a volume
at a given temperature
(canonical ensemble) interacting via the `central' intermolecular pair potential
, the two particle distribution function is defined as

where
, where
is the Boltzmann constant.
Exact convolution equation for
[edit]
See Eq. 5.10 of Ref. 1:

where, i.e.
.
See also[edit]
References[edit]
- J. S. Rowlinson "The equation of state of dense systems", Reports on Progress in Physics 28 pp. 169-199 (1965)
- N. G. Almarza and E. Lomba "Determination of the interaction potential from the pair distribution function: An inverse Monte Carlo technique", Physical Review E 68 011202 (2003)