Rydberg-atom wave packets localized in the angular variables
John A. Yeazell and C. R. Stroud, Jr.
Phys. Rev. A 35, 2806 (1987).
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Calculations are presented that show the behavior of a wave packet composed
of alkali-metal-atom Rydberg states. We demonstrate that it is possible to
localize such a wave packet in the polar and azimuthal angles. The
evolution of this wave packet is equivalent to the precession of a
classical Kepler orbit under the influence of a perturbing potential. In
this case, the perturbation is the quantum defect of the alkali-metal
atoms. An excitation scheme is proposed for producing these states and the
results of a numerical model based on this scheme are presented. Finally,
the interaction of these angularly localized wave packets with external
fields is discussed and a method of detection is suggested.
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