Renormalization Group Flow in non-compact QED with two charged staggered Fermions

Details Renormalization Group Flow in non-compact QED with two charged staggered Fermions Renormalization Group Flow in non-compact QED with two charged staggered Fermions

1992-12-08

arxiv.org/abs/hep-lat/9212008v1

Nucl.Phys.Proc.Suppl. 30 (1993) 733-736

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 4 PostScript figures appended, uses espcrc2.sty and macro psfig.tex. Talk presented at Lattice '92

Scientific paper

10.1016/0920-5632(93)90313-U

We have investigated a system with two sets of staggered fermions with charges 1 and -1/2 coupling to a non-compact U(1) gauge field in 4 dimensions. The model exhibits breaking of chiral symmetries of both fermions at different values of beta. Chiral condensates, renormalized fermion masses and renormalized charges have been measured. The renormalized charges show agreement with one-loop perturbation theory. We examine surfaces of constant renormalized charges in the space of bare parameters.

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