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Institute of Optics

bar_yell

Excitation of a three-dimensionally localized atomic electron wave packet

Jake Bromage and C. R. Stroud, Jr.

Phys. Rev. Lett. 83, 4963 (1999).


We have prepared an atomic electron in a three-dimensionally localized wave packet that travels along a highly eccentric orbit between the nucleus and a turning point approximately 1000 Å away. State preparation consisted of two distinct steps. First the electron wave function was localized to the desired orbit by exciting a stationary extreme Stark state from the n = 30 manifold of a sodium atom in a dc electric field. Then the dynamic wave packet was formed by applying a terahertz electromagnetic half-cycle pulse polarized along the direction of the dc field. The localized state is an ideal starting point for further quantum control proceeding along classical orbits.


Click here to download the .pdf version of the paper bromage993.pdf (97 KB)


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