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Alec Aivazis edited Spacetime Geometery.tex
almost 10 years ago
Commit id: 90b2e97a039a290026b0190354da212db48f5903
deletions | additions
diff --git a/Spacetime Geometery.tex b/Spacetime Geometery.tex
index 38381d9..d03f047 100644
--- a/Spacetime Geometery.tex
+++ b/Spacetime Geometery.tex
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In a static universe, t is ignorable so there is a killing vector $\xi = (1,0,0,0)$. $\xi \cdot \mathbf{u}$ is conserved along the trajectory of the particle. Therefore,
\begin{equation}
\frac{E_{\rm{obs}}}{E_e} = \frac{g_{tt}(e)}{g_{tt}(obs)}
\end{equation}
\begin{equation}
\begin{split}
\frac{E_{\rm{obs}}}{E_e} = \frac{g_{tt}(e)}{g_{tt}(obs)} \\
\frac{\omega_{\inf}}{\omega_{e}} = \sqrt{ \left( 1-\frac{2 M}{r_e} \right)} \\
\end{split}
\end{equation}