Strong Laser Fields
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Autodetachment of Doubly Excited States in Non-Hydrogenic Negative Ions
I. Yu. Kiyan
Department of Molecular and Optical Physics, Albert-Ludwigs-Universität, Hermann-Herder-Strasse 3, D-79104  Freiburg, Germany

Abstract:


A semiclassical model is developed to describe the two-electron dynamics of the process of autodetachment. A formula derived for the partial width of a doubly excited state represents a product of an amplitude and phase factors. An anomalous width behavior is predicted for states near a threshold when the orbital angular momentum of the outer electron is high. Oscillations of the phase factor, as a function of energy, determine the functional behavior of relative widths in the region farther from threshold for a given series of states. ©2000 The American Physical Society


©2000 Phys. Rev. Letters 84, 26, 5975 (2000)

URL: http://link.aps.org/abstract/PRL/v84/p5975
PACS: 32.10.-f, 31.50.+w, 32.80.Dz


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