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Strong-Field Control and Spectroscopy of Attosecond Electron-Hole Dynamics in Molecules

Olga Smirnova, Serguei Patchkovskii, Yann Mairesse, Nirit Dudovich, Misha Yu Lvanov and Stephen E. Harris
Proceedings of the National Academy of Sciences of the United States of America
Vol. 106, No. 39 (Sep. 29, 2009), pp. 16556-16561
Stable URL: http://www.jstor.org/stable/40484943
Page Count: 6
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Strong-Field Control and Spectroscopy of Attosecond Electron-Hole Dynamics in Molecules
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Abstract

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 Π vs. Σ 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 subÂngstrom 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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