Vacuum polarization in light two-electron atoms and ions

被引：4

作者：

Frolov, Alexei M. ^{[1
]}

Wardlaw, David M. ^{[2
]}

机构：

[1] Univ Western Ontario, Dept Chem, London, ON N6H 5B7, Canada

[2] Mem Univ Newfoundland, Dept Chem, St John, NF A1C 5S7, Canada

来源：

JOURNAL OF COMPUTATIONAL SCIENCE | 2014年 / 5卷 / 03期

关键词：

Polarization; Vacuum; Corrections; MUONIC HELIUM-ATOMS; POSITRON THEORY; GROUND-STATES;

D O I：

10.1016/j.jocs.2013.03.005

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A general theory of the vacuum polarization in light atomic and muon-atomic systems is considered. We derive the closed analytical expression for the Uehling potential and evaluate corrections on vacuum polarization for the 1(1)S-state of the two-electron He-3 and He-4 atoms and for some two-electron ions, including the Li+, Be2+, B3+ and C4+ ions. The correction for vacuum polarization in two-electron He atoms has been evaluated as Delta E-ueh approximate to 7.253 +/- 0.0025 x 10(-7) a.u. The analogous corrections in the two-electron He-like ions rapidly increase with the nuclear charge Q (Delta E-ueh approximate to 2.7061 x 10(-6) a.u. for the Li+ ion and 2.3495 X 10(-5) a.u. for the C4+ ion). The corresponding corrections have also been evaluated for the electron-nucleus and electron-electron interactions. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：499 / 506

页数：8

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