QED calculations of the n=2 to n=1 x-ray transition energies in middle-Z heliumlike ions

被引：20

作者：

Malyshev, A. V. ^{[1
]}

Kozhedub, Y. S. ^{[1
]}

Glazov, D. A. ^{[1
]}

Tupitsyn, I. I. ^{[1
]}

Shabaev, V. M. ^{[1
]}

机构：

[1] St Petersburg State Univ, Dept Phys, Univ Skaya 7-9, St Petersburg 199034, Russia

来源：

PHYSICAL REVIEW A | 2019年 / 99卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

CONFIGURATION-INTERACTION CALCULATIONS; GROUND-STATE; LAMB-SHIFT; PERTURBATION-THEORY; EXCITED-STATES; TRIPLET-STATES; HYDROGENLIKE; WAVELENGTHS;

D O I：

10.1103/PhysRevA.99.010501

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Ab initio QED calculations of the four x-ray transitions from the L to K shell in heliumlike argon, titanium, iron, copper, and krypton are performed. The binding energies for all the n = 1 and n = 2 states are evaluated as well. The calculation approach combines the rigorous QED treatment in the first two orders of the perturbation theory constructed within the extended Furry picture with the third- and higher-order correlation effects evaluated in the Breit approximation. The obtained results are compared with the previous evaluations and available experimental data.

引用

页数：7

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