Gauge invariant effective action in Abelian chiral gauge theory on the lattice

研究成果: ジャーナルへの寄稿記事

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Lüscher's recent formulation of Abelian chiral gauge theories on the lattice, in the vacuum (or perturbative) sector in infinite volume, is reinterpreted in terms of the lattice covariant regularization. The gauge invariance of the effective action and the integrability of the gauge current in anomaly-free cases become transparent. The real part of the effective action is simply one-hall that of the Dirac fermion and, when the Dirac operator behaves properly in the continuum limit, the imaginary part in this limit reproduces the η-invariant.

元の言語英語
ページ(範囲)1147-1154
ページ数8
ジャーナルProgress of Theoretical Physics
101
発行部数5
DOI
出版物ステータス出版済み - 5 1999

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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