Formula_12559

\[\rho\left(\boldsymbol{p}_{1}, \boldsymbol{r}_{1}, \ldots, \boldsymbol{p}_{N}, \boldsymbol{r}_{N}\right)=\frac{1}{z} e^{-\frac{H\left(p_{1}, \boldsymbol{r}_{1}, \ldots, p_{N}, \boldsymbol{r}_{N}\right)}{k T}}\]