Difference between revisions of "Kirkwood-Buff theory of solutions"

$G_{\alpha \beta} = \int_0^\infty \left[{\mathrm g}_{\alpha \beta}^{(2)}({\mathbf r})-1\right] 4\pi r^2 ~d{\mathbf r}$
where ${\mathrm g}_{\alpha \beta}({\mathbf r})$ is the pair distribution function.