Attosecond photoionization dynamics in neon

被引：15
|
作者：
Omiste, Juan J. [1 ,2 ]
Madsen, Lars Bojer [3 ]
机构：
[1] Univ Toronto, Chem Phys Theory Grp, Dept Chem, Toronto, ON M5S 3H6, Canada
[2] Univ Toronto, Ctr Quantum Informat & Quantum Control, Toronto, ON M5S 3H6, Canada
[3] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark
来源：
PHYSICAL REVIEW A | 2018年 / 97卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
GROUND-STATE; CONFIGURATION-INTERACTION; CROSS-SECTIONS; TIME; CHANNELS; SPECTRUM; HELIUM; ENERGY; DELAY;
D O I：
10.1103/PhysRevA.97.013422
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the role of electron-electron correlation in the ground state of Ne, as well as in photoionization dynamics induced by an attosecond XUV pulse. For a selection of central photon energies around 100 eV, we find that while the mean-field time-dependent Hartree-Fock method provides qualitatively correct results for the total ionization yield, the photoionization cross section, the photoelectron momentum distribution, as well as for the time delay in photoionization, electron-electron correlation is important for a quantitative description of these quantities.
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页数：10
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