Chiral anomalies in noncommutative gauge theories

Details Chiral anomalies in noncommutative gauge theories Chiral anomalies in noncommutative gauge theories

2001-09-26

arxiv.org/abs/hep-th/0109204v3

Phys.Lett. B521 (2001) 421-428

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, Latex, typos and semantic ambiguities corrected

Scientific paper

10.1016/S0370-2693(01)01214-X

Using cohomological methods we discuss several issues related to chiral anomalies in noncommutative U(N) YM theories in any even dimension. We show that for each dimension there is only one solution of the WZ consistency condition and that there cannot be any reducible anomaly, nor any mixed anomaly when the gauge group is a product group. We also clarify some puzzling aspects of the issue of the anomaly when chiral fermions are in the adjoint representation.

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