Commit 16ad846a authored by Matthieu Schaller's avatar Matthieu Schaller
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Missing prime in one of the cosmology coordinates equations.

parent 7b9f99fb
......@@ -35,7 +35,7 @@ respectively. Following \cite{Peebles1980} (ch.7), we introduce the
gauge transformation $\Lag \rightarrow \Lag + \frac{d}{dt}\Psi$ with
$\Psi \equiv \frac{1}{2}a\dot{a}\mathbf{r}_i^2$ and obtain
\begin{align}
\Lag &= \frac{1}{2}m_ia^2 \dot{\mathbf{r}}_i^2 -
\Lag &= \frac{1}{2}m_ia^2 \dot{\mathbf{r}}_i'^2 -
\frac{1}{\gamma-1}m_iA_i'\left(\frac{\rho_i'}{a^3}\right)^{\gamma-1}
-\frac{\phi'}{a},\\
\phi' &= a\phi + \frac{1}{2}a^2\ddot{a}\mathbf{r}_i'^2,\nonumber
......
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