Journal
NATURE PHYSICS
Volume 8, Issue 3, Pages 232-237Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NPHYS2211
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Funding
- Department of Energy (DOE) Basic Energy Sciences (BES) Chemical Sciences
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In the extreme ultraviolet and soft-X-ray regions of the spectrum, light-matter interaction is dominated by photoionization. In molecular systems, the sudden removal of an electron will initiate ultrafast electronic and nuclear dynamics in the residual molecular ion. A particularly interesting aspect of these dynamics is the correlated motions of electrons and nuclei, an understanding of which lies at the heart of chemistry. Here we use a few-femtosecond high-harmonic pulse and a weak infrared laser pulse to initiate and probe the explosion of a triatomic N2O+ molecular ion in real time, in a regime dominated by coupled electron-electron and electron-nuclear dynamics. We also show that the branching ratio of bond breaking can be altered in the presence of the laser field.
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