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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 5 — May. 1, 2003
  • pp: 942–952

Magnetic behavior of atoms in gray optical lattices

J. R. Guest, B. K. Teo, N. V. Morrow, and G. Raithel  »View Author Affiliations


JOSA B, Vol. 20, Issue 5, pp. 942-952 (2003)
http://dx.doi.org/10.1364/JOSAB.20.000942


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Abstract

The magnetization and lifetimes of atoms in gray optical lattices exhibit modulations as functions of an applied B field that are attributed to tunneling resonances between neighboring lattice wells. Expanding on previous observations, we show how these modulations depend on well depth, and we derive spin temperatures for the system. A band-structure-based model and quantum Monte Carlo wave-function simulations are used to explain these results. We predict subrecoil structures in the velocity distributions; these structures undergo systematic variations when the applied magnetic field is varied. Dramatically different behaviors for bosonic and fermionic spin systems are found and explained.

© 2003 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(020.7490) Atomic and molecular physics : Zeeman effect

Citation
J. R. Guest, B. K. Teo, N. V. Morrow, and G. Raithel, "Magnetic behavior of atoms in gray optical lattices," J. Opt. Soc. Am. B 20, 942-952 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-5-942

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