Author(s): M. F. Maghrebi, M. J. Gullans, P. Bienias, S. Choi, I. Martin, O. Firstenberg, M. D. Lukin, H. P. Büchler, and A. V. Gorshkov
Rydberg atoms can be used to mediate an effective Coulomb interaction between photons, according to this theoretical proposal.
[Phys. Rev. Lett. 115, 123601] Published Wed Sep 16, 2015