Seiberg Witten Map and the Axial Anomaly in Noncommutative Field Theory

Details Seiberg Witten Map and the Axial Anomaly in Noncommutative Field Theory Seiberg Witten Map and the Axial Anomaly in Noncommutative Field Theory

2001-10-19

arxiv.org/abs/hep-th/0110177v2

Phys.Lett. B533 (2002) 162-167

Physics

High Energy Physics

High Energy Physics - Theory

Slightly modified version with minor changes in the reference, Jour. ref: Phys. Lett. B533 (2002) 162

Scientific paper

10.1016/S0370-2693(02)01566-6

Using the point-splitting regularisation, we calculate the axial anomaly in an arbitrary even dimensional Non-Commutative (NC) field theory. Our result is (star) gauge invariant in its {\it unintegrated} form, to the leading order in the NC parameter. Exploiting the Seiberg Witten map, this result gets transformed to the familiar Adler-Bell-Jackiw anomaly in ordinary space-time. Furthermore, using this map, we derive an expression for the unintegrated axial anomaly for constant fields in NC space-time, that is valid to all finite orders of the NC parameter.

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