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Phys. Rev. A 70, 051601(R) (2004) [4 pages]

Atom interference in a gray optical lattice

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N. V. Morrow and G. Raithel
FOCUS Center, Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA

Received 1 July 2004; published 24 November 2004

Atomic wave packets are coherently split into two components evolving on different adiabatic potentials of a near-resonant gray optical lattice. The components follow separated paths and overlap periodically. Wave-packet interference is observed at times when the components overlap. The wave-packet splitting and recombination mechanisms are quantum projection and nonadiabatic coupling. Experimental results are in agreement with the results of a detailed theoretical model.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.70.051601
DOI:
10.1103/PhysRevA.70.051601
PACS:
03.75.Dg, 39.20.+q, 32.80.Pj, 32.80.Lg