\[ \frac{1}{2 S H} \left\langle \sum_{\mathsf{i} < \mathsf{j}} \frac{\sigma^2 - z_{\mathsf{i} \mathsf{j}}^2}{\sigma} (r_{\mathsf{i} \mathsf{j}} = \sigma_+) \right\rangle_{S, H} \]
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(XY_Beta_Pressure_Excess), | intent(in) | :: | this | |||
| real(kind=DP), | intent(in) | :: | contacts |