Attosecond probing of vibrational dynamics with high-harmonic generation

被引：305

作者：

Lein, M

机构：

[1] Max Planck Inst Phys Complex Syst, D-01187 Dresden, Germany

[2] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.94.053004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The numerical solution of the time-dependent Schrodinger 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.

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页数：4

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