Onset of electron-seeded cascades in generic electromagnetic fields

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F21%3A00549187" target="_blank" >RIV/68378271:_____/21:00549187 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1103/PhysRevA.104.012221" target="_blank" >https://doi.org/10.1103/PhysRevA.104.012221</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevA.104.012221" target="_blank" >10.1103/PhysRevA.104.012221</a>

Result language
angličtina
Original language name
Onset of electron-seeded cascades in generic electromagnetic fields
Original language description
QED 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.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)

Project
<a href="/en/project/EF16_019%2F0000789" target="_blank" >EF16_019/0000789: Advanced research using high intensity laser produced photons and particles</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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