期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.163001
关键词
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资金
- FWF-Austria [P21141-N16, P23359-N16]
- COST Action [CM0702]
- National Science Foundation through TeraGrid/XSEDE resources [TG-PHY090031]
- TU Vienna Doctoral Program Functional Matter
- NSF
- [SFB 041]
- Austrian Science Fund (FWF) [P23359] Funding Source: Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [P 23359] Funding Source: researchfish
We present fully ab initio simulations of attosecond streaking for ionization of helium accompanied by shakeup of the second electron. This process represents a prototypical case for strongly correlated electron dynamics on the attosecond time scale. We show that streaking spectroscopy can provide detailed information on the Eisenbud-Wigner-Smith time delay as well as on the infrared-field dressing of both bound and continuum states. We find a novel contribution to the streaking delay that stems from the interplay of electron-electron and infrared-field interactions in the exit channel. We quantify all the contributions with attosecond precision and provide a benchmark for future experiments.
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