Two-loop self-energy correction in a strong Coulomb nuclear field

被引：0

作者：

V. A. Yerokhin

P. Indelicato

V. M. Shabaev

机构：

[1] St. Petersburg State University,Center for Advanced Studies

[2] St. Petersburg State Polytechnic University,Laboratoire Kastler

[3] École Normale Supérieure et Université P. et M. Curie,Brossel (Unité Mixte de Recherche du CNRS no. 8552)

来源：

Journal of Experimental and Theoretical Physics | 2005年 / 101卷

关键词：

Hydrogen; Spectroscopy; State Physics; Field Theory; Energy Level;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The two-loop self-energy correction to the ground-state energy levels of hydrogen-like ions with nuclear charges Z≥10 is calculated without the Zα expansion, where α is the fine-structure constant. The data obtained are compared with the results of analytical calculations within the Zα expansion; significant disagreement with the analytical results of order α2(Zα)6 has been found. Extrapolation is used to obtain the most accurate value for the two-loop self-energy correction for the 1s state in hydrogen.

引用

页码：280 / 293

页数：13

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