The covariant form of the gauge anomaly on noncommutative R2n

Details The covariant form of the gauge anomaly on noncommutative R2n The covariant form of the gauge anomaly on noncommutative R2n

2001-10-04

arxiv.org/abs/hep-th/0110046v1

Nucl.Phys. B623 (2002) 150-164

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, no figures

Scientific paper

10.1016/S0550-3213(01)00642-3

The covariant form of the non-Abelian gauge anomaly on noncommutative R2n is computed for U(N) groups. Its origin and properties are analyzed. Its connection with the consistent form of the gauge anomaly is established. We show along the way that bi-fundamental $U(N)\times U(M)$ chiral matter carries no mixed anomalies, and interpret this result as a consequence of the half-dipole structure which characterizes the charged non-commutative degrees of freedom.

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