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Doc/UserManual/Scattering.tex

@@ -214,6 +214,7 @@ For brevity, we rewrite~\cref{ESchrodi3} as
 \end{equation}
 \vspace*{-5pt}}
 \index{Perturbed Schrödinger equation}%
+\index{Schrödinger equation!perturbed}%
 This \E{perturbed Schrödinger equation} will be the starting point for all further analyses.
 It contains the material-dependent wavenumber~$k(\r)$, defined by the dispersion relation
 \nomenclature[2k030 2r040]{$k(\r)$}{Wavenumber}%
@@ -684,7 +685,7 @@ Differently from the above derivation of the Born expansion,
 we will not even attempt to obtain a full solution
 \index{Green function!DWBA}%
 of the Green function equation~\cref{EGreenK}.
-We will only consider its asymptotic far-field limit $G_\infty(\rD,\r)$
+We will use indirect arguments to directly obtain its far-field asymptote $G_\infty(\rD,\r)$
 at a detector position $\rD$.
 Nonetheless, this function will be exact in the coordinate~$\r$
 that designates where the scattering takes place.
@@ -977,6 +978,7 @@ The wave equation~\cref{ENabNabE} then becomes
 \index{X-ray!wave equation}%
 This is very similar to the perturbed Schrödinger equation~\cref{ESchrodiK}.
 \index{Perturbed Schrödinger equation}%
+\index{Schrödinger equation!perturbed}%
 There are only two differences:
 the more complicated differential operator,
 and the fact that $\v{E}(\r)$ is vector valued,