One-loop nonlinear correction for QED

被引：0
|
作者：
Furtado, J. S. N. [1 ]
Silva, G. R. [2 ]
机构：
[1] Univ Fed Cariri, BR-63048080 Juazeiro Do Norte, Ceara, Brazil
[2] Univ Fed Alagoas, Inst Fis, BR-57072270 Maceio, Alagoas, Brazil
来源：
MODERN PHYSICS LETTERS A | 2016年 / 31卷 / 27期
关键词：
Effective action; Euler-Heisenberg; QED; STRONG MAGNETIC-FIELD; QUANTUM-THEORY; COVARIANT THEORY; ELECTRODYNAMICS; GRAVITY; PROPAGATION; DIRAC;
D O I：
10.1142/S0217732316501534
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this work, we study the generation of a nonlinear correction for QED, namely, the Euler-Heisenberg effective action. In order to achieve this, we consider two methods. The first method employed consists in make use of Feynman parametrization to solve the integrals properly, while in the second method a derivative expansion in the external momentum was considered.
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页数：15
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