1 M.. Foss-Feig, K.R.A. Hazzard, J.J. Bollinger, A.M.. Rey, and C.W. Clark, New Journal of Physics 15, (2013).
1 B.P. Anderson, P.C. Haljan, C.A. Regal, D.L. Feder, L.A. Collins, C.W. Clark, and E.A. Cornell, Physical Review Letters 86, (2001).