\begin{document}
-\title{Defects in Carbon implanted Silicon calculated by classical potentials and first principles methods}
+% ref mod: no capital letters (by editors)
+\title{Defects in carbon implanted silicon calculated by classical potentials and first principles methods}
\author{F. Zirkelbach}
\author{B. Stritzker}
\affiliation{Experimentalphysik IV, Universit\"at Augsburg, 86135 Augsburg, Germany}