Author Affiliations

Dominik Schneble,^* Masahiro Hasuo,^† Thomas Anker, Tilman Pfau,^‡ and Jürgen Mlynek^§

Fachbereich Physik, Universität Konstanz, Universitätsstrasse 10, D-78457 Konstanz, Germany

^*Present address, Center for Ultracold Atoms, Research Laboratory of Electronics and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (schneble@mit.edu).

^†Present address, Department of Engineering Physics and Mechanics, Kyoto University, Kyoto, Japan.

^‡Present address, 5, Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany.

^§Present address, Präsident, Humboldt-Universität zu Berlin, Berlin, Germany.