diff --git a/theory/Cosmology/coordinates.tex b/theory/Cosmology/coordinates.tex index 52ab8ddb9acf144f04d8c6fe0dccd0e032baa703..56354623ea5a4127306c13f122e6f45223c7309d 100644 --- a/theory/Cosmology/coordinates.tex +++ b/theory/Cosmology/coordinates.tex @@ -109,8 +109,8 @@ viscosity ``tensor'' $\Pi_{ij} \equiv \frac{1}{2}\alpha_{\rm visc} v_{\rm \omega_{ij}' &= \left(\mathbf{v}_i' - \mathbf{v}_j'\right) \cdot \left(\mathbf{r}_i' - \mathbf{r}_j'\right), \\ \mu_{ij}' &= - a^{(3\gamma-5)/2} \left(\omega_{ij}' + a^2H\left(\mathbf{r}_i' - - \mathbf{r}_j'\right)^2 \right) / |\mathbf{r}_i' - \mathbf{r}_j' |, + a^{(3\gamma-5)/2} \left(\omega_{ij}' + a^2H\left|\mathbf{r}_i' - + \mathbf{r}_j'\right|^2 \right) / |\mathbf{r}_i' - \mathbf{r}_j' |, \\ v_{\rm sig}' &= c_i' + c_j' - 3 \mu_{ij}'. \end{align}