Publication: Onset of electron-seeded cascades in generic electromagnetic fields
Дата
2021
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Аннотация
© 2021 American Physical SocietyQED cascades in a strong electromagnetic field of optical range and arbitrary configuration are considered. A general expression for short-time dependence of the key electron quantum dynamical parameter is derived, allowing one to generalize the effective threshold condition of QED cascade onset. The generalized theory is applied to self-sustained cascades in a single focused laser pulse. According to numerical simulations, if a GeV electron bunch is used as a seed, an ordinary cascade can be converted into a self-sustained one. As an application, it would be also possible to produce this way bright collimated photon beams with up to GeV photon energies.
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Gelfer, E. G. Onset of electron-seeded cascades in generic electromagnetic fields / Gelfer, E.G., Mironov, A.A., Fedotov, A.M. // Physical Review A. - 2021. - 104. - № 1. - 10.1103/PhysRevA.104.012221
URI
https://www.doi.org/10.1103/PhysRevA.104.012221
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https://openrepository.mephi.ru/handle/123456789/24458
https://www.scopus.com/record/display.uri?eid=2-s2.0-85111639389&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000680425800001
https://openrepository.mephi.ru/handle/123456789/24458