Ivanov, Igor; Kheifets, Anatoli; Bartschat, Klaus; Emmons, John; Buczek, Sean M; Gryzlova, Elena V; Grum-Grzhimailo, Alexei N.
We study strong-field atomic ionization driven by an XUV pulse with a nonzero displacement, the quantity defined as the time integral of the pulse vector potential taken over the pulse duration. The use of such pulses may lead to an extreme sensitivity of the ionization process to subtle changes of a driving XUV pulse, in particular, the ramp-on and off profile and the carrier envelope phase. We illustrate this sensitivity for atomic hydrogen and lithium driven by few-femtosecond XUV pulses...[Show more]
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