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One-loop nonlinear correction for QED

J. S. N. Furtado

Universidade Federal do Cariri, Juazeiro do Norte, 63048-080, Ceará, Brazil

E-mail Address: job.furtado@ufca.edu.br

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and

G. R. Silva

Instituto de Física, Universidade Federal de Alagoas, Maceió 57072-270, Alagoas, Brazil

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https://doi.org/10.1142/S0217732316501534Cited by:0 (Source: Crossref)

Abstract

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.

Keywords:

PACS: 11.10.Lm, 12.20.Ds

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