Calculation of a divergence-free lamb shift

被引：1
|
作者：
Ritchie, Burke [1 ,2 ]
机构：
[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[2] Livermore Software Technol Corp, Livermore, CA 94550 USA
来源：
INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY | 2012年 / 112卷 / 14期
关键词：
dirac; lamb shift; QED; EQUATION-OF-MOTION; SELF-ENERGY; SPONTANEOUS EMISSION; FIELD QUANTIZATION; PHOTON; MAXWELL;
D O I：
10.1002/qua.23279
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A divergence-free theory of the Lamb shift is presented, and calculations are carried out for hydrogen-like ions. The theory uses two Lorentz-invariant equations of motion, one for the electron in the presence of the photon, which is Dirac's four-space time-dependent equation, and the other for the photon in the presence of the electron. The electronphoton interaction is calculated from the Dirac current. The distribution of photon frequencies is bounded by the distribution of electron frequencies intrinsic to the Dirac current, thereby guaranteeing a divergence-free result for the Lamb shift. (C) 2011 Wiley Periodicals, Inc. Int J Quantum Chem, 2011
引用
收藏
页码：2632 / 2636
页数：5
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