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The worldline formalism in strong-field QED (2304.07404v1)
Published 14 Apr 2023 in hep-th, hep-ph, and physics.plasm-ph
Abstract: The worldline formalism provides an alternative to Feynman diagrams that has been found particularly useful for external-field calculations in quantum electrodynamics. Here I summarize its present range of applications, which includes Schwinger pair creation, photon splitting in constant fields and plane-wave backgrounds, as well as nonlinear Compton scattering in constant fields.
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