Ionization of stark states with half-cycle pulses: Interference effects in the continuum

Document Type

Article

Publication Date

1-1-2003

Abstract

A detailed study of oscillations in the ionization spectrum of a Stark state in sodium excited by half-cycle pulse was carried out. Full-quantum calculations revealed oscillations in the DKD spectrum that can be explained with a 1D semiclassical model as interference effects between two dominant trajectories leading to the same final energy. On the other hand, the UKD spectra showed no oscillations due to a larger angular spread of the wave function as it scatters from the core. For the downhill state, the dependence of the oscillations on the length of the pulse was outlined.

Publication Source (Journal or Book title)

Physical Review A - Atomic, Molecular, and Optical Physics

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