Atom chip for BEC interferometry

Details Atom chip for BEC interferometry Atom chip for BEC interferometry

2009-10-23

arxiv.org/abs/0910.4547v2

J. Phys. B: At. Mol. Opt. Phys. 43 (2010) 051003

Physics

Quantum Physics

9 pages, 5 figures

Scientific paper

10.1088/0953-4075/43/5/051003

We have fabricated and tested an atom chip that operates as a matter wave interferometer. In this communication we describe the fabrication of the chip by ion-beam milling of gold evaporated onto a silicon substrate. We present data on the quality of the wires, on the current density that can be reached in the wires and on the smoothness of the magnetic traps that are formed. We demonstrate the operation of the interferometer, showing that we can coherently split and recombine a Bose-Einstein condensate with good phase stability.

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