{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio 7.x}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart A. P. Koller, Beverland, M., Gorshkov, A. V., and Rey, A. M., ?Beyond the spin model approximation for Ramsey spectroscopy?, Phys. Rev. Lett., vol. 112, p. 123001, 2014.\par \par }