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S. Schneider, A. Kasper, Ch. Vom Hagen, M. Bartenstein, B. Engeser, T. Schumm, I. Bar-Joseph, R. Folman, Jörg Schmiedmayer:
"Bose-Einstein condensation in a simple microtrap";
Physical Review A, 67 (2003), 023612-1 - 023612-4.

A Bose-Einstein condensate is created in a simple and robust miniature Ioffe-Pritchard trap, the so-called Z trap. This trap results from the mere combination of a Z-shaped current-carrying wire and a homogeneous bias field. The experimental procedure allows condensation of typically 3x10(5) Rb-87 atoms in the \F=2, m(F)=2> state close to any mirroring surface, irrespective of the surface structure. Thus it is ideally suited as a simple coherent source for miniature surface traps or for cold atom physics near surfaces.

http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC06588209