John M. Doyle^1,2

• ¹Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
• ²Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA
• ³Charles University, Faculty of Mathematics and Physics, Department of Chemical Physics and Optics, Ke Karlovu 3, CZ-12116 Prague 2, Czech Republic
• ⁴JILA, NIST, and Department of Physics, University of Colorado, Boulder, Colorado 80309, USA

• ^*Contact author: vilas@g.harvard.edu
• ^†Present address: Department of Physics, University of California, Berkeley, California 94720, USA.
• ^‡Present address: Department of Physics and Astronomy, University of Southern California, Los Angeles, California 90089, USA.