期刊
PHYSICAL REVIEW LETTERS
卷 119, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.123201
关键词
-
资金
- U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES) [DE-SC0012628]
- U.S. Army Research Office [W911NF-12-1-0598]
With a novel three-dimensional electron-electron coincidence imaging technique and two-electron angular streaking method, we show that the emission time delay between two electrons can be measured from tens of attoseconds to more than 1 fs. Surprisingly, in benzene, the double ionization rate decays as the time delay between the first and second electron emission increases during the first 500 as. This is further supported by the decay of the Coulomb repulsion in the direction perpendicular to the laser polarization. This result reveals that laser-induced electron correlation plays a major role in strong field double ionization of benzene driven by a nearly circularly polarized field.
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