Many-body calculations of two-photon, two color matrix elements for attosecond delays

被引：0
|
作者：
Dahlstrom, M. [1 ]
Ljungdahl, A. [2 ]
Sorngard, J. [2 ]
Vinbladh, J. [2 ]
Lindroth, E. [2 ]
机构：
[1] Lund Univ, Dept Phys, Box 118, SE-22100 Lund, Sweden
[2] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden
来源：
31ST INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC XXXI) | 2020年 / 1412卷
关键词：
D O I：
10.1088/1742-6596/1412/7/072020
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Interferometric measurements based on the combination of extreme ultraviolet (XUV) attosecond pulse trains with weak infrared laser fields, have been successfully used to study time-resolved and recently angle-resolved photoemission in various atomic systems. These measurements rely on quantum interference between electron wavepackets created by absorption of XUV radiation, with further absorption or emission of laser photons. Here we present many-body calculations of the full two-photon process.
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