Abstract
The possibility is discussed of using eigenfunctions to find different propagators in quantum electrodynamics (QED) with an external electromagnetic field.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 59–64, May, 1989.
The authors are grateful to B. L. Voronov and I. V. Tyutin for useful discussion of the questions examined here.
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Gitman, D.M., Noskov, M.D. & Shvartsman, S.M. Green's functions in an external electromagnetic field. Soviet Physics Journal 32, 371–375 (1989). https://doi.org/10.1007/BF00895318
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DOI: https://doi.org/10.1007/BF00895318