Pair Production Beyond the Schwinger Formula in Time-Dependent Electric Fields

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dc.creatorHebenstreit, Florian
dc.creatorAlkofer, Reinhard
dc.creatorGies, Holger
dc.date2008-07-17
dc.date2008-09-22
dc.date.accessioned2026-07-07T12:15:02Z
dc.date.available2026-07-07T12:15:02Z
dc.descriptionWe investigate electron-positron pair production in pulse-shaped electric background fields using a non-Markovian quantum kinetic equation. We identify a pulse-length range for subcritical fields still in the nonperturbative regime where the number of produced pairs significantly exceeds that of a naive expectation based on the Schwinger formula. From a conceptual viewpoint, we find a remarkable quantitative agreement between the (real-time) quantum kinetic approach and the (imaginary-time) effective action approach.
dc.description5 pages, 3 figures. Typos corrected and references added, PRD Version
dc.identifierhttps://arxiv.org/abs/0807.2785
dc.identifierhttp://arxiv.org/abs/0807.2785
dc.identifierPhys.Rev.D78:061701,2008
dc.identifierdoi:10.1103/PhysRevD.78.061701
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211393
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePair Production Beyond the Schwinger Formula in Time-Dependent Electric Fields
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