Processes of arbitrary order in quantum electrodynamics with a pair-creating external field
- 1 November 1977
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 10 (11) , 2007-2020
- https://doi.org/10.1088/0305-4470/10/11/026
Abstract
Dyson's perturbation theory analogue for quantum electrodynamical processes with arbitrary initial and final states in an external field creating pairs has been discussed. The interaction with the field is taken into account exactly. The possibility of using Feynman diagrams, together with modified correspondence rules for the representation of the above mentioned processes has been demonstrated.Keywords
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