On the Anomalies and Schwinger Terms in Noncommutative Gauge Theories

Details On the Anomalies and Schwinger Terms in Noncommutative Gauge Theories On the Anomalies and Schwinger Terms in Noncommutative Gauge Theories

Publishing date

2005-07-23

URL

arxiv.org/abs/hep-th/0507230v2

Journals

Int.J.Mod.Phys. A21 (2006) 4161-4183

Science

Physics

Field

High Energy Physics

SubField

High Energy Physics - Theory

Additional info

LaTeX, axodraw.sty, 1 figure; v2: Typos corrected, References added, Version to appear in Int. J. Mod. Phys. A (2006)

Type

Scientific paper

Digital Object Identifier

10.1142/S0217751X06031363

Abstract

Invariant (nonplanar) anomaly of noncommutative QED is reexamined. It is found that just as in ordinary gauge theory UV regularization is needed to discover anomalies, in noncommutative case, in addition, an IR regularization is also required to exhibit existence of invariant anomaly. Thus resolving the controversy in the value of invariant anomaly, an expression for the unintergrated anomaly is found. Schwinger terms of the current algebra of the theory are derived.

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