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SUMMARY:Cutting equation is strong-field QED
DTSTART;VALUE=DATE-TIME:20261028T063000Z
DTEND;VALUE=DATE-TIME:20261028T064500Z
DTSTAMP;VALUE=DATE-TIME:20261103T014221Z
UID:indico-contribution-6139@cern.ch
DESCRIPTION:Speakers: Yuriy Selivanov ()\nThe cutting technique for Feynma
 n diagrams is a powerful tool for extracting implications of unitarity. It
  is widely used and referred to in various areas of quantum field theory\,
  including strong-field QED. However\, to the best of our knowledge\, no p
 roof of the cutting technique in the presence of a classical background fi
 eld has been published. In our presentation\, we follow M. Veltman's origi
 nal proof for self-acting scalar field theory and extend it to strong-fiel
 d QED with a stable vacuum. We also demonstrate the cutting equation on th
 e example of the second-order trident pair creation process and discuss pr
 ospects of it's future applications to non-perturbative strong-field QED.\
 n\nhttps://indico.particle.mephi.ru/event/626/contributions/6139/
LOCATION: Conference Hall 3
URL:https://indico.particle.mephi.ru/event/626/contributions/6139/
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