# Feynman-Dyson rules from unitarity and self-consistency

@article{Rosenberg1967FeynmanDysonRF, title={Feynman-Dyson rules from unitarity and self-consistency}, author={L. Rosenberg}, journal={Il Nuovo Cimento A (1965-1970)}, year={1967}, volume={49}, pages={439-458} }

SummaryAs a partial test of a recently proposed theory, based onN-body linear integral equations and self-consistency ideas, we examine the weak-coupling limit and show that the Feynman-Dyston rules can be derived. Since the integral equations are not solved exactly, but rather by iteration, the single-particle states must be separately inserted, and must show the correct (experimental) mass and pole residue. By requiring unitarity this insertation can be made in a fairly unambiguous way and… CONTINUE READING

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