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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