First-order self-energy correction in hydrogenlike systems

被引：101

作者：

Yerokhin, VA

Shabaev, VM

机构：

[1] Inst High Performance Comp & Data Bases, St Petersburg 198005, Russia

[2] St Petersburg State Univ, Dept Phys, St Petersburg 198904, Russia

来源：

PHYSICAL REVIEW A | 1999年 / 60卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.60.800

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a detailed description of a procedure for the numerical evaluation of the first-order self-energy correction for an arbitrary excited state. An efficient schema of the numerical treatment of the many-potential part of the Dirac-Coulomb Green function improves the speed of the computation considerably. This feature is extremely important for higher-order self-energy calculations. We apply this method to the evaluation of the self-energy correction for the excited states with \kappa\less than or equal to 5 and n less than or equal to 5 for some high-Z ions. [S1050-2947(99)09907-2].

引用

页码：800 / 811

页数：12

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