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

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arxiv 1711.04344 v2 pith:P5MX2H55 submitted 2017-11-12 hep-ph hep-th

Victor Dinu , Greger Torgrimsson This is my paper · ORCID
classification hep-phhep-th
keywords exchangeplaneprobabilityanalyticalprocesstridentwaveapproximation
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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.

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  1. Nonlinear trident using WKB and worldline instantons

    hep-ph 2024-12 conditional novelty 7.0 of 10

    First WKB and worldline-instanton calculations of nonlinear trident in time-dependent and spacetime-dependent electric fields, including direct and exchange terms and a Coulomb suppression factor.

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