Lattice Fermions and Chiral Symmetry

Details Lattice Fermions and Chiral Symmetry Lattice Fermions and Chiral Symmetry

1996-08-07

arxiv.org/abs/hep-lat/9608028v1

Nucl.Phys.Proc.Suppl. 53 (1997) 641-643

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, LateX, uses espcrc2.sty (attached), Talk presented at LATTICE96(chiral gauge)

Scientific paper

10.1016/S0920-5632(96)00741-4

We propose a formulation of lattice fermions with one-sided differences that is hermitian, chirally symmetric (barring a bare mass term) and completely free of doubling. To obtain the axial anomaly in perturbation theory it was necessary to break chiral symmetry on the lattice only through a bare mass term for the physical fermion. The chiral limit may be taken once the continuum limit is reached. We comment on the role of the mass term with examples elsewhere in field theory.

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