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Rosa edited untitled.tex
about 8 years ago
Commit id: 170f3d82679639f89cdb6411965357823e98c0fc
deletions | additions
diff --git a/untitled.tex b/untitled.tex
index 7a54437..144ad4d 100644
--- a/untitled.tex
+++ b/untitled.tex
...
\end{eqnarray}
where
\begin{eqnarray}
G^>_{\beta
q}(\omega+\epsilon) q}(\epsilon) = \sum_\gamma
[G_{\beta\gamma}^r(\omega) [G_{\beta\gamma}^r(\epsilon) V_{\gamma q}
g^{>}_{q}(\omega)+ G_{\beta\gamma}^>(\omega) g^{>}_{q}(\epsilon)+ G_{\beta\gamma}^>(\epsilon) V_{\gamma q}
g^{a}_{q}(\omega)] g^{a}_{q}(\epsilon)]
\end{eqnarray}
\begin{eqnarray}
G^{<,h}_{\gamma k}(\omega+\epsilon) = \sum_\beta [G_{\gamma\beta}^r(\omega+\epsilon) V^*_{\beta k} g^{<,h}_{k}(\omega)+ G_{\gamma\beta}^<(\omega+\epsilon) V^*_{\beta k} g^{a,h}_{k}(\omega+\epsilon)]
...
Then, we have
\begin{eqnarray}
&&N^>(\omega)=(e^2/h)\sum_{k\beta,q\gamma, \nu\mu} \int \frac{d\epsilon}{2\pi} V_{\beta k} V^*_{\gamma q}
[G_{\beta\nu}^r(\omega+\epsilon) [G_{\beta\nu}^r(\epsilon) V_{\nu q} g^{>}_{q}(\omega+\epsilon)+
G_{\beta\nu}^>(\omega+\epsilon) G_{\beta\nu}^>(\epsilon) V_{\nu q} g^{a}_{q}(\omega+\epsilon)]
\\ \nonumber
&&[G_{\gamma\mu}^r(\epsilon) V^*_{\mu k}
g^{<,h}_{k}(\epsilon)+ g^{<,h}_{k}(\epsilon+\omega)+ G_{\gamma\mu}^<(\epsilon) V^*_{\mu k}
g^{a,h}_{k}(\epsilon)] g^{a,h}_{k}(\epsilon+\omega)]
\end{eqnarray}
\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) [G_{\beta\nu}^r(\epsilon) V_{\nu q} g^{>}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^r(\epslion) V^*_{\mu k}
g^{<,h}_{k}(\epsilon) g^{<,h}_{k}(\omega+\epsilon) V_{\beta k}]
\\ \nonumber
&&[G_{\beta\nu}^r(\omega+\epsilon) &&[G_{\beta\nu}^r(epsilon) V_{\nu q} g^{>}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^<(\epsilon) V^*_{\mu k}
g^{a,h}_{k}(\epsilon) g^{a,h}_{k}(\omega+\epsilon) V_{\beta k}]
\\ \nonumber
&&[G_{\beta\nu}^>(\omega+\epsilon) &&[G_{\beta\nu}^>(\epsilon) V_{\nu q} g^{a}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^r(\epsilon) V^*_{\mu k}
g^{<,h}_{k}(\epsilon) g^{<,h}_{k}(\omega+\epsilon) V_{\beta k}]
\\ \nonumber
&&[G_{\beta\nu}^>(\omega+\epsilon) &&[G_{\beta\nu}^>(\epsilon) V_{\nu q} g^{a}_{q}(\omega+\epsilon) V^*_{\gamma q} G_{\gamma\mu}^<(\epsilon) V^*_{\mu k} g^{a,h}_{k}(\epsilon) V_{\beta k}]
\end{eqnarray}
Inserting the expressions for the self-energies we get
\begin{eqnarray}