Worldline instantons for the momentum spectrum of Schwinger pair production in spacetime dependent fields
| العنوان: | Worldline instantons for the momentum spectrum of Schwinger pair production in spacetime dependent fields |
|---|---|
| المؤلفون: | Gianluca Degli Esposti, Greger Torgrimsson |
| المصدر: | Physical Review |
| بيانات النشر: | APS, 2023. |
| سنة النشر: | 2023 |
| مصطلحات موضوعية: | High Energy Physics - Theory, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Astronomi, astrofysik och kosmologi, High Energy Physics - Theory (hep-th), Astronomy, Astrophysics and Cosmology, FOS: Physical sciences |
| الوصف: | We show how to use the worldline-instanton formalism to calculate the momentum spectrum of the electron-positron pairs produced by an electric field that depends on both space and time. Using the LSZ reduction formula with a worldline representation for the propagator in a spacetime field, we make use of the saddle-point method to obtain a semiclassical approximation of the pair-production spectrum. In order to check the final result, we integrate the spectrum and compare with the results obtained using a previous instanton method for the imaginary part of the effective action. Comment: 16 pages, 9 figures |
| وصف الملف: | application/pdf |
| اللغة: | English |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e91545f548d06c6b1757d68766754343 http://repo.scoap3.org/api |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....e91545f548d06c6b1757d68766754343 |
| قاعدة البيانات: | OpenAIRE |
| الوصف غير متاح. |