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Article
Magnetic-Field-Induced Alignment-to-Orientation Conversion in Sodium
Physical Review A
  • G. W. Schinn
  • Xianming Han, Butler University
Document Type
Article
Publication Date
1-1-1991
DOI
http://dx.doi.org/10.1103/PhysRevA.43.266
Abstract
We report a detailed investigation of excited-state alignment-to-orientation conversion in the presence of an external magnetic field. This counterintuitive phenomenon occurs under intermediate-coupling conditions. A weak, linearly polarized, cw laser beam was used to excite and align the Na 3P3/2 state in an atomic beam along the z direction. The degree of circular polarization of the resulting fluorescence was detected along the z direction as a function of magnetic-field strength. The spectrally integrated transitions originating from individual F levels of the 3S1/2 state yield a maximum circular-polarization fraction of ∼40%; integrating the circular polarization over all the allowed 3S1/2-3P3/2 transitions gives rise to an ∼8% effect. The results are predicted by the Breit formula, which is in excellent agreement with our observations.
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This article was archived with permission from APS Physics, all rights reserved. Document also available from Physical Review A.

Citation Information
G. W. Schinn and Xianming Han. "Magnetic-Field-Induced Alignment-to-Orientation Conversion in Sodium" Physical Review A Vol. 43 Iss. 1 (1991)
Available at: http://works.bepress.com/xianming_han/22/