M.
Hermele
Gorshkov, A. V., Hermele, M. ., Gurarie, V. ., Xu, C. ., Julienne, P. S., Ye, J. ., … Rey, A. M. (2010). Two-orbital SU(N) magnetism with ultracold alkaline-earth atoms. Nature Physics, 6, 289–295. http://doi.org/10.1038/nphys1535