The Nonperturbative Propagator and Vertex in Massless Quenched QED

@inproceedings{Bashir2004TheNP,
  title={The Nonperturbative Propagator and Vertex in Massless Quenched QED},
  author={A. F. Bashir and R. Delbourgo},
  year={2004}
}
It is well known how multiplicative renormalizability of the fermion propagator, through its Schwinger-Dyson equation, imposes restrictions on the 3-point fermion-boson vertex in massless quenched quantum electrodynamics in 4-dimensions (QED4). Moreover, perturbation theory serves as an excellent guide for possible nonperturbative constructions of Green functions. We extend these ideas to arbitrary dimensions d. The constraint of multiplicative renormalizability of the fermion propagator is… CONTINUE READING

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