Low-order above-threshold ionization in intense few-cycle laser pulses

Details Low-order above-threshold ionization in intense few-cycle laser pulses Low-order above-threshold ionization in intense few-cycle laser pulses

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005phrva..71b1402c&link_type=abstract

Physical Review A, vol. 71, Issue 2, id. 021402

Other

22

Multiphoton Ionization And Excitation To Highly Excited States, Other Multiphoton Processes, Strong-Field Excitation Of Optical Transitions In Quantum Systems, Multiphoton Processes, Dynamic Stark Shift

Scientific paper

The low-energy end of the spectrum of photoelectrons detached from hydrogenic ions exposed to an intense low-frequency few-cycle pulse is calculated within the strong-field approximation (SFA). The effect on the detached photoelectron of the Coulomb field of the nucleus is taken into account quasiclassically. The results are compared with those of an ab initio solution of the time-dependent Schrödinger equation, for the case of an He+ ion irradiated by a 400-nm pulse of 1× 1016 W cm-2 peak intensity. Many of the features of the ab initio spectra can be understood within the SFA.

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