Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 106, Issue 39, Pages 16556-16561Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.0907434106
Keywords
high harmonic generation; multielectron dynamics; strong-field ionization
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Funding
- Natural Sciences and Engineering Research Council
- Leibniz Senatsausschuss Wettbewerb award
- Alexander von Humboldt Foundation
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Molecular structures, dynamics and chemical properties are determined by shared electrons in valence shells. We show how one can selectively remove a valence electron from either Pi vs. Sigma or bonding vs. nonbonding orbital by applying an intense infrared laser field to an ensemble of aligned molecules. In molecules, such ionization often induces multielectron dynamics on the attosecond time scale. Ionizing laser field also allows one to record and reconstruct these dynamics with attosecond temporal and sub-Angstrom spatial resolution. Reconstruction relies on monitoring and controlling high-frequency emission produced when the liberated electron recombines with the valence shell hole created by ionization.
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