期刊
PHYSICAL REVIEW LETTERS
卷 110, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.123003
关键词
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资金
- Deutsche Forschungsgemeinschaft (DFG)
- Otto Braun Fonds
- European Commission Project FASTQUAST
- DFG via the Cluster of Excellence: Munich Centre of Advanced Photonics [SFB749]
- Normalverfahren
The direct manipulation of charge oscillations has emerged as a new perspective in chemical reaction control. Here, we demonstrate, in a joint experimental and theoretical study, that the electron dynamics of a molecule is efficiently steered by controlling the interplay of a driving femtosecond laser pulse with the photoinduced charge oscillation. These oscillations have a typical Bohr period of around 1 fs for valence electrons; therefore, control has to be exerted on a shorter time scale. Specifically, we show how precision pulse shaping is used to manipulate the coupled electron and nuclear dynamics in order to address different bound electronic target states in a molecule. We present a strong-field coherent control mechanism which is understood in terms of a simple classical picture and at the same time verified by solving the time-dependent Schrodinger equation. This mechanism is universally applicable and opens a wide spectrum of applications in the reaction control of complex systems. DOI: 10.1103/PhysRevLett.110.123003
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