Parity-Preserving Pauli-Villars Regularization in (2+1)-Dimensional Gauge Models

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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Latex, 9 pages

Scientific paper

It is shown that, in QED$_{3}$, the Pauli-Villars regularization involving a
pair of auxiliary fermion fields with masses of opposite sign leads to results
that are consistent with those obtained using all other parity-preserving
schemes of regularization. At the same time, ambiguity problems remain unsolved
in non-Abelian models (QCD$_{3}$).

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