The Kimble group confirms creation of coherence between atomic systems that never interacted

Julien Laurat, Chin-wen Chou, Hui Deng, Kyung Soo Choi, Daniel Felinto, Hugues de Riedmatten, and H. J. Kimble (2007) Towards experimental entanglement connection with atomic ensembles in the single excitation regime. New Journal of Physics, 9 (6): Art. No. 207, 29 June 2007. CaltechAUTHORS