Aaron
Leanhardt
Campbell, G. K., Mun, J., Boyd, M., Medley, P., Leanhardt, A., Marcassa, L., … Ketterle, W. (2006). Imaging the Mott Insulator Shells by Using Atomic Clock Shifts. Science, 313, 649–652. http://doi.org/10.1126/science.1130365