Is there a Landau Pole Problem in QED?

Details Is there a Landau Pole Problem in QED? Is there a Landau Pole Problem in QED?

1997-12-29

arxiv.org/abs/hep-th/9712244v1

Phys.Rev.Lett.80:4119-4122,1998

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1103/PhysRevLett.80.4119

We investigate a lattice version of QED by numerical simulations. For the renormalized charge and mass we find results which are consistent with the renormalized charge vanishing in the continuum limit. A detailed study of the relation between bare and renormalized quantities reveals that the Landau pole lies in a region of parameter space which is made inaccessible by spontaneous chiral symmetry breaking.

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