Attosecond Probing of Vibrational Dynamics with High-Harmonic Generation

Lein, Manfred

doi:10.1103/PhysRevLett.94.053004

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Attosecond Probing of Vibrational Dynamics with High-Harmonic Generation

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Lein, Manfred
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Citation

Lein, M. (2005). Attosecond Probing of Vibrational Dynamics with High-Harmonic Generation. Physical Review Letters, 94(5): 053004, pp. 1-4. doi:10.1103/PhysRevLett.94.053004.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-899B-9

Abstract

The numerical solution of the time-dependent Schrödinger equation for vibrating hydrogen molecules in few-cycle laser pulses shows that high-harmonic generation is sensitive to the laser-induced vibrational motion. More intense harmonics are generated in heavier isotopes, the difference increasing with the harmonic frequency. Analytical theory reveals a dependence of the harmonics on the vibrational autocorrelation function. With the help of a genetic algorithm, the nuclear motion can be reconstructed from the harmonic spectra with sub-fs time resolution.