, Volume 85, Issue 4, pp 481-490

A proof of the Nielsen-Ninomiya theorem

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Abstract

The Nielsen-Ninomiya theorem asserts the impossibility of constructing lattice models of non-selfinteracting chiral fermions. A new proof is given here. This proof fills a technical gap in the two proofs presented by the authors of the theorem. It also serves as prelude to an investigation of the chiral properties of the general lattice model.

Communicated by R. Stora