Summary
Effects of a change of gange on the Green’s functions are studied systematically in quantum electrodynamics and relations between Green’s functions under two different gauges are given.
Riassunto
Si studiano sistematicamente in elettrodinamica quantistica gli effetti di un cambiamento di gauge sulle funzioni di Green e si danno le relazioni fra le funzioni di Green nel caso di due gauge diversi.
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References
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The research reported in this document has been sponsored in part by the Office Chief of Research and Development, U.S. Department of Army through its European Office under contract number DA-91-591-EUC-1096.
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Okubo, S. The gauge properties of Green’s functions in quantum electrodynamics. Nuovo Cim 15, 949–958 (1960). https://doi.org/10.1007/BF02860201
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DOI: https://doi.org/10.1007/BF02860201