Three-point functions in noncompact lattice QED
M.Goeckeler, R.Horsley, P.E.L. Rakow, G.Schierholz
TL;DR
This paper computes three-point functions in noncompact lattice QED with dynamical fermions to investigate the effective Yukawa couplings, providing evidence supporting the triviality of QED.
Contribution
It introduces a method to extract effective Yukawa couplings from three-point functions in noncompact lattice QED with dynamical fermions.
Findings
Results support the hypothesis that QED is trivial.
Effective Yukawa couplings are consistent with theoretical expectations.
Method demonstrates how to analyze three-point functions in lattice QED.
Abstract
We calculate fermion-antifermion-"meson" three-point functions in noncompact lattice QED with dynamical staggered fermions and use them to extract effective Yukawa couplings. The results are consistent with the hypothesis that QED is trivial.
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