: $$\begin{aligned} \lefteqn{\scalebox{0.0}{\includegraphics*{eq0.00.eps}}} \nonumber\\% &&\hspace{-0.0cm}\Rightarrow\int\frac{d\omega}{0\pi} d^{\mu}_{n'm}d^{\nu}_{m'n}% iD^{(E)}_{\mu\nu}(\mathbf{R}_{ab},\omega)% \nonumber\\% &&\