Axial anomaly in the reduced model: Higher representations

Details Axial anomaly in the reduced model: Higher representations Axial anomaly in the reduced model: Higher representations

2003-09-15

arxiv.org/abs/hep-lat/0309067v1

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, Lattice2003(chiral)

Scientific paper

10.1016/S0920-5632(03)02623-9

The topological charge in the $\U(N)$ vector-like reduced model can be
defined by using the overlap Dirac operator. We obtain its large $N$ limit for
a fermion in a general gauge-group representation under a certain restriction
of gauge field configurations which is termed $\U(1)$ embedding.

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