Phys. Rev. Lett. 76, 4508–4511 (1996)Bloch Oscillations of Atoms in an Optical PotentialReceived 19 January 1996; published in the issue dated 10 June 1996 Ultracold cesium atoms are prepared in the ground energy band of the potential induced by an optical standing wave. We observe Bloch oscillations of the atoms driven by a constant inertial force. We measure the momentum distribution of Bloch states and effective masses different from the mass of the free atom. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.76.4508
DOI:
10.1103/PhysRevLett.76.4508
PACS:
32.80.Pj, 03.75.-b
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