Effects of the fermionic vacuum polarization in QED

被引：12
|
作者：
Medeiros, M. F. X. P. [1 ]
Barone, F. E.
Barone, F. A. [1 ]
机构：
[1] Univ Fed Itajuba, IFQ, Ave BPS 1303,Caixa Postal 50, BR-37500903 Itajuba, MG, Brazil
来源：
EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 01期
关键词：
CONSTANT ELECTROMAGNETIC-FIELDS; TENSORS;
D O I：
10.1140/epjc/s10052-017-5498-x
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Some effects of vacuum polarization in QED due to the presence of field sources are investigated. We focus on effects with no counter-part inMaxwell electrodynamics. The the Uehling interaction energy between two stationary point-like charges is calculated exactly in terms of Meijer-G functions. Effects induced on a hydrogen atom by the vacuum polarization in the vicinity of a Dirac string are considered. We also calculate the interaction between two parallel Dirac strings and corrections to the energy levels of a quantum particle constrained to move on a ring circumventing a solenoid.
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页数：9
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