Control of photoemission delay in resonant two-photon transitions

30th International Conference on Photonic, Electronic, and Atomic Collisions

Argenti, L.^1,2 ; Jiménez Galán, A.^2,3 ; Taïeb, R.^4 ; Caillat, J.^4 ; Maquet, A.^4 ; Martín, F.^2,5

Department Dept. Physics and CREOL, University of Central Florida, Orlando

FL, United States^1

Dept. Chemistry, Autonomous University of Madrid, EU, Spain^2

Max Born Institute, EU, Berlin, Germany^3

Sorbonne University and UPMC Université Paris 6, EU, Paris, France^4

IMDEA-Nanociencia and IFIMAC, EU, Madrid, Spain^5

关键词: Multiphoton transitions;    Multiphotons;    Multiple ionization;    Negative values;    Nonresonant;    Photon transition;    Two-photon transitions;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/875/3/022040/pdf
DOI  :  10.1088/1742-6596/875/3/022040

来源: IOP

【 摘 要 】

Synopsis In contrast to one-photon transitions and non-resonant multiphoton transitions, time delay in resonant multi-photon electron emission can exhibit large positive and negative values that have no scattering equivalent, due to the interference of multiple ionization paths.