Title: Biblio RTF Export
Author: Biblio 7.x

O.  Firstenberg, Peyronel, T., Liang, Q. - Y., Gorshkov, A. V., Lukin, M. D., and Vuletic, V., ?Attractive Photons in a Quantum Nonlinear Medium?, Nature (London), vol. 502, p. 71, 2013.