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correct typos in Ex 4.4, 4.5, from #3
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jeanwsr committed May 11, 2021
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4 changes: 2 additions & 2 deletions chap4/chap4.tex
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Expand Up @@ -291,7 +291,7 @@ \subsection{Natural Orbitals and the 1-Particle Reduced DM}
\begin{align}
\gamma_{ji}^* &= \int\dd\vb{x}_1\dd\vb{x}'_1 \chi_j(\vb{x}_1) \gamma^*(\vb{x}_1,\vb{x}'_1) \chi_i^*(\vb{x}'_1) \notag\\
&= \int\dd\vb{x}'_1\dd\vb{x}_1 \chi_j(\vb{x}'_1) \gamma^*(\vb{x}'_1,\vb{x}_1) \chi_i^*(\vb{x}_1) \notag\\
&= \int\dd\vb{x}'_1\dd\vb{x}_1 \chi_j(\vb{x}'_1) \gamma(\vb{x}'_1,\vb{x}_1) \chi_i^*(\vb{x}_1) \notag\\
&= \int\dd\vb{x}'_1\dd\vb{x}_1 \chi_j(\vb{x}'_1) \gamma(\vb{x}_1,\vb{x}'_1) \chi_i^*(\vb{x}_1) \notag\\
&= \gamma_{ij}
\end{align}
$ \therefore \bm\gamma$ is Hermitian.
Expand All @@ -300,7 +300,7 @@ \subsection{Natural Orbitals and the 1-Particle Reduced DM}
\begin{align}
\Braket{\Phi | \Phi}
&= \dfrac{1}{N} \int\dd\vb{x}_1 \gamma(\vb{x}_1,\vb{x}_1) \notag\\
&= \int\dd\vb{x}_1 \sum_{ij} \chi_i(\vb{x}_1) \gamma_{ij} \chi_j^*(\vb{x}_1) \notag\\
&= \dfrac{1}{N} \int\dd\vb{x}_1 \sum_{ij} \chi_i(\vb{x}_1) \gamma_{ij} \chi_j^*(\vb{x}_1) \notag\\
&= \dfrac{1}{N} \sum_{ij} \qty[\int\dd\vb{x}_1 \chi_j^*(\vb{x}_1) \chi_i(\vb{x}_1)] \gamma_{ij} \notag\\
&= \dfrac{1}{N} \sum_{ij} \delta_{ji} \gamma_{ij} \notag\\
&= \dfrac{1}{N} \tr \bm\gamma
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