Trident pair production in plane waves: Coherence, exchange, and spacetime inhomogeneity

We study the trident process in inhomogeneous plane wave background fields. We obtain compact analytical expressions for all terms in the probability, including the exchange part, for an arbitrarily shaped plane wave. We evaluate the probability numerically using complex deformation of lightfront ti...

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Bibliographic Details
Published inarXiv.org
Main Authors Dinu, Victor, Greger Torgrimsson
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 21.02.2018
Subjects
Deformation
Exchanging
Inhomogeneity
Mathematical analysis
Pair production
Physics - High Energy Physics - Phenomenology
Physics - High Energy Physics - Theory
Plane waves
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Summary:We study the trident process in inhomogeneous plane wave background fields. We obtain compact analytical expressions for all terms in the probability, including the exchange part, for an arbitrarily shaped plane wave. We evaluate the probability numerically using complex deformation of lightfront time integrals and derive various analytical approximations. Our results provide insights into the importance of the one-step and exchange parts of the probability relative to the two-step process, and into the convergence to the locally constant field approximation.
ISSN:2331-8422
DOI:10.48550/arxiv.1711.04344