{\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. V. Gorshkov, Otterbach, J., Fleischhauer, M., Pohl, T., and Lukin, M. D., ?Photon-Photon Interactions via Rydberg Blockade?, Physical Review Letters, vol. 107, no. 13, 2011.\par \par }