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Phys. Rev. A 58, R42–R45 (1998)

Atomic lattice structures in two-dimensional momentum space

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M. Rauner, S. Kuppens, M. Schiffer, G. Birkl, K. Sengstock, and W. Ertmer
Institut für Quantenoptik der Universität Hannover, Welfengarten 1, D-30167, Hannover, Germany

Received 4 February 1998; published in the issue dated July 1998

In sub-Doppler laser cooling, the application of an additional homogeneous magnetic field gives rise to velocity selective resonances and laser cooling to nonzero velocities. We present a systematic investigation of the resulting structures in two-dimensional momentum space in an atomic beam experiment. The rms width of the resonances is close to one recoil momentum. The analysis of these structures in terms of a resonance condition shows good quantitative agreement with experimental results.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.58.R42
DOI:
10.1103/PhysRevA.58.R42
PACS:
32.80.Pj, 42.50.Vk, 32.80.Lg