Time delay in molecular photoionization
Paul HockettNational Research Council of Canada, 100 Sussex Drive, Ottawa, K1A 0R6, CanadaE FrumkerDepartment of Physics, Ben-Gurion University of the Negev, Beer-Sheva 84105, IsraelD. M. VilleneuveJoint Attosecond Science Laboratory, National Research Council of Canada and University of Ottawa, 100 Sussex Drive, Ottawa, K1A 0R6, CanadaP B CorkumJoint Attosecond Science Laboratory, National Research Council of Canada and University of Ottawa, 100 Sussex Drive, Ottawa, K1A 0R6, Canada
2016en
ABI
Аннотация
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 angleresolved maps of the Wigner delay time for single-photon valence ionization, and discuss the possibilities for experimental measurements.
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