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- Title
Excited hydrogenic atom in a strong low-frequency electromagnetic field.
- Authors
Prepelitsa, O. B.
- Abstract
The multiphoton ionization of a bound electron state which is twofold degenerate with respect to its orbital angular momentum is considered in a quasiclassical approximation. It is shown that the ionization probability increases strongly in an intense electromagnetic field, in which nonresonant mixing of the levels forming the degenerate state is significant, in comparison to the case described by the Keldysh formula. It is also shown that such degeneracy leads to a sharp increase in the intensity of the radiation scattered by the bound electron, and the high-frequency cutoff of the emission spectrum is shifted to higher frequencies. © 1999 American Institute of Physics.
- Subjects
ENERGY levels (Quantum mechanics); ELECTROMAGNETIC fields
- Publication
Technical Physics, 1999, Vol 44, Issue 8, p882
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/1.1259399