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Ultrafast relaxation dynamics of highly-excited states in N2 molecules excited by femtosecond XUV pulses
2013, Lucchini, M., Seung, Kim, K., Calegari, F., Kelkensberg, F., Siu, W.K., Sansone, G., Vrakking, M.J.J., Hochlaf, M., Nisoli, M.
We used velocity-map-imaging to measure electronic and nuclear dynamics in N2 molecules excited by a train of attosecond pulses. A time-to-space mapping of autoionization channel is demonstrated. It is found that the autoionization becomes energetically allowed when the two nuclei are still very close (~ 3 Å) and that it can be coherently manipulated by a strong femtosecond infrared pulse.