Volume 43, Number 2, July II 1998
|Page(s)||123 - 128|
|Published online||01 September 2002|
Modelling by maps of the two-frequency microwave ionization of hydrogen atoms
Institute of Theoretical Physics and Astronomy - A. Goštauto 12, 2600
Accepted: 2 June 1998
Mapping equations of motion of the highly excited classical atom in a monochromatic field are generalized for the two-frequency microwave field. The analysis of the obtained equations shows the weak sensitivity of the position of the recently observed ionization peak near the main resonance to the frequency and amplitude of the additional microwave field. In the high-frequency region, however, the sensitivity of the enhanced ionization peaks on the additional field frequency is predicted.
PACS: 05.45.+b – Theory and models of chaotic systems / 32.80.Rm – Multiphoton ionization and excitation of highly excited states (e.g., Rydberg states) / 42.50.Hz – Strong-field excitation of optical transitions in quantum systems; multi-photon processes; dynamic Stark shift
© EDP Sciences, 1998
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