An atom fiber for guiding cold neutral atoms

Details An atom fiber for guiding cold neutral atoms An atom fiber for guiding cold neutral atoms

2003-11-25

arxiv.org/abs/quant-ph/0311174v1

Optics Letters, Vol. 29, Issue 18, pp. 2145-2147 (September 2004)

Physics

Quantum Physics

Scientific paper

We present an omnidirectional matter wave guide on an atom chip. The rotational symmetry of the guide is maintained by a combination of two current carrying wires and a bias field pointing perpendicular to the chip surface. We demonstrate guiding of thermal atoms around more than two complete turns along a spiral shaped 25mm long curved path (curve radii down to 200$\mu$m) at various atom--surface distances (35-450$\mu$m). An extension of the scheme for the guiding of Bose-Einstein condensates is outlined.

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