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Rosa edited untitled.tex
about 8 years ago
Commit id: d4523c6c84f30e03609a4bb5f0fe8a58631b9b43
deletions | additions
diff --git a/untitled.tex b/untitled.tex
index 59a936e..3f1d56f 100644
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\end{eqnarray}
\begin{eqnarray}
&&N(\omega)=(e^2/h)\sum_{k\beta,q\gamma, N(\omega)&=&(e^2/h)\sum_{k\beta,q\gamma, \nu\mu} \int \frac{d\epsilon}{2\pi}
[G_{\beta\nu}^r(\omega+\epsilon) V_{\nu q} g^{>}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^r(\omega) V^*_{\mu k} g^{<,h}_{k}(\omega) V_{\beta k}]
&& \\ \nonumber
[G_{\beta\nu}^r(\omega+\epsilon) &&[G_{\beta\nu}^r(\omega+\epsilon) V_{\nu q} g^{>}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^<(\omega) V^*_{\mu k} g^{a,h}_{k}(\omega) V_{\beta k}]
&&
\\ \nonumber
[G_{\beta\nu}^>(\omega+\epsilon) &&[G_{\beta\nu}^>(\omega+\epsilon) V_{\nu q} g^{a}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^r(\omega) V^*_{\mu k} g^{<,h}_{k}(\omega) V_{\beta k}]
&&
\\ \nonumber
[G_{\beta\nu}^>(\omega+\epsilon) &&[G_{\beta\nu}^>(\omega+\epsilon) V_{\nu q} g^{a}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^<(\omega) V^*_{\mu k} g^{a,h}_{k}(\omega) V_{\beta k}]
\end{eqnarray} \end{eqnarray
Inserting the expressions for the self-energies we get
\begin{eqnarray}
N(\omega)&=&(e^2/h)\sum_{k\beta,q\gamma, \nu\mu} \int \frac{d\epsilon}{2\pi}
[G_{\beta\nu}^r(\omega+\epsilon) \Sigma_{0,\nu\gamma}^>(\omega+\epsilon) G_{\gamma\mu}^r(\omega) \Sigma_{0,\mu\beta}^{<,h}(\omega+\epsilon)]
\\ \nonumber
&&[G_{\beta\nu}^r(\omega+\epsilon) \Sigma_{0,\nu\gamma}^>(\omega+\epsilon) G_{\gamma\mu}^<(\omega) \Sigma_{0,\mu\beta}^{a,h}(\omega+\epsilon)]
\\ \nonumber
&&[G_{\beta\nu}^>(\omega+\epsilon) \Sigma_{0,\nu\gamma}^a(\omega+\epsilon) G_{\gamma\mu}^r(\omega)\Sigma_{0,\mu\beta}^{<,h}(\omega+\epsilon)]
\\ \nonumber
&&[G_{\beta\nu}^>(\omega+\epsilon) \Sigma_{0,\nu\gamma}^a(\omega+\epsilon) G_{\gamma\mu}^<(\omega) \Sigma_{0,\mu\beta}^{a,h}(\omega+\epsilon)]
\end{eqnarray