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Updated: Aug 19, 2026

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
Published on: August 6, 2018
Correlated multielectron dynamics in ultrafast laser pulse interactions with atoms
A Rudenko1, K Zrost, B Feuerstein
1Max-Planck-Institut für Kernphysik, D-69029 Heidelberg, Germany.
Abstract:
We present the results of the detailed experimental study of multiple ionization of Ne and Ar by 25 and 7 fs laser pulses. Whereas in multiple ionization of Ar different mechanisms, involving field ionization steps and recollision-induced excitations, play a role, for Ne only one channel, where the highly correlated instantaneous emission of up to four electrons is triggered by a recollisional electron impact, is found to be important. Using few-cycle pulses we are able to suppress those processes that occur on time scales longer than one laser cycle.
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