期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.033001
关键词
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资金
- Marie Curie program ITN ATTOFEL [238362]
- European Research Council (ALMA)
- Access program and Joint Research Activity ALADIN of Laserlab-Europe II
- Swedish Foundation for Strategic Research
- Swedish Research Council
- Knut and Alice Wallenberg Foundation
- European Initiative of Infrastructures
- Strang Foundation, Institut Universitaire de France [ANR-10-BLAN-0428-01, ANR-08-CEXC8-008-01]
- Laserlab Europe
- Agence Nationale de la Recherche (ANR) [ANR-10-BLAN-0428] Funding Source: Agence Nationale de la Recherche (ANR)
Photoinduced molecular processes start with the interaction of the instantaneous electric field of the incident light with the electronic degrees of freedom. This early attosecond electronic motion impacts the fate of the photoinduced reactions. We report the first observation of attosecond time scale electron dynamics in a series of small-and medium-sized neutral molecules (N-2, CO2, and C2H4), monitoring time-dependent variations of the parent molecular ion yield in the ionization by an attosecond pulse, and thereby probing the time-dependent dipole induced by a moderately strong near-infrared laser field. This approach can be generalized to other molecular species and may be regarded as a first example of molecular attosecond Stark spectroscopy.
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