Author(s): G. Pagano, M. Mancini, G. Cappellini, L. Livi, C. Sias, J. Catani, M. Inguscio, and L. Fallani
Two separate groups have managed to control the interactions in a cold atomic gas in which each atom has two valence electrons.
[Phys. Rev. Lett. 115, 265301] Published Mon Dec 21, 2015