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K. Hornberger and A. Buchleitner,
Radiative Decay of Nondispersive Wave Packets,
Europhys. Lett. 41, 383-388 (1998)

Abstract:

We study the decay of nondispersive electronic wave packets in strongly driven hydrogen atoms, which are coupled to the atomic continuum and to the vacuum modes of the electromagnetic field. A novel implementation of complex scaling allows to derive a master equation that incorporates the interplay of the coherent and the incoherent decay process. Ample numerical data predict a crossover from ionization via chaos-assisted tunneling to radiative decay, at experimentally accessible Rydberg levels.

(6 pages, 2 figures)   [ps, pdf, journal]                   (c) EDP Sciences

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