期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 49, 期 9, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/49/9/095602
关键词
attosecond; photoionization; Wigner delay; angle-resolved; molecular
资金
- Israel Science Foundation [1116/14]
- European Commission Marie Curie Career Integration Grant
- Canada's NSERC
- US Air Force Office of Scientific Research
- Multidisciplinary University Research Initiatives from the US Army Research Office [WN911NF-14-1-0383]
Time-delays in the photoionization of molecules are investigated. As compared to atomic ionization, the time-delays expected from molecular ionization present a much richer phenomenon, with a strong spatial dependence due to the anisotropic nature of the molecular scattering potential. We investigate this from a scattering theory perspective, and make use of molecular photoionization calculations to examine this effect in representative homonuclear and hetronuclear diatomic molecules, nitrogen and carbon monoxide. We present energy and angle-resolved maps of the Wigner delay time for single-photon valence ionization, and discuss the possibilities for experimental measurements.
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