A lattice formulation of 2D U(1) chiral gauge theory is proposed in which vector-charged objects are realized as holes in the lattice, with selection rules matching the continuum fermion number anomaly.
Lüscher, Abelian chiral gauge theories on the lattice with exact gaug e invariance, Nucl
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Novel Lattice Formulation of 2D Chiral Gauge Theory via Bosonization
A lattice formulation of 2D U(1) chiral gauge theory is proposed in which vector-charged objects are realized as holes in the lattice, with selection rules matching the continuum fermion number anomaly.