Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-01-23
Int.J.Mod.Phys. A19 (2004) 613
Physics
High Energy Physics
High Energy Physics - Theory
16 pages. LaTex
Scientific paper
We propose an exact expression for the unintegrated form of the star gauge invariant axial anomaly in an arbitrary even dimensional gauge theory. The proposal is based on the inverse Seiberg-Witten map and identities related to it, obtained earlier by comparing Ramond-Ramond couplings in different decsriptions. The integrated anomalies are expressed in terms of a simplified version of the Elliott formula involving the noncommutative Chern character. These anomalies, under the Seiberg-Witten transformation, reduce to the ordinary axial anomalies. Compatibility with existing results of anomalies in noncommutative theories is established.
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