Phys. Rev. Lett. 89, 040401 (2002) [4 pages]Propagation of Bose-Einstein Condensates in a Magnetic WaveguideReceived 9 March 2002; published 2 July 2002 Gaseous Bose-Einstein condensates of 2–3×10623Na atoms were loaded into a microfabricated magnetic trap using optical tweezers. Subsequently, the condensates were released into a magnetic waveguide and propagated 12 mm. Single-mode propagation was observed along homogeneous segments of the waveguide. Inhomogeneities in the guiding potential arose from geometric deformations of the microfabricated wires and caused strong transverse excitations. Such deformations may restrict the waveguide physics that can be explored with propagating condensates. Finer perturbations to the guiding potential fragmented the condensate when it was brought closer to the surface. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.040401
DOI:
10.1103/PhysRevLett.89.040401
PACS:
03.75.Fi, 03.75.Be, 39.20.+q
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