Conformal Anomalies in Noncommutative Gauge Theories

Abstract

We calculate conformal anomalies in noncommutative gauge theories by using the path integral method (Fujikawa's method). Along with the axial anomalies and chiral gauge anomalies, conformal anomalies take the form of the straightforward Moyal deformation in the corresponding conformal anomalies in ordinary gauge theories. However, the Moyal star product leads to the difference in the coefficient of the conformal anomalies between noncommutative gauge theories and ordinary gauge theories. The $\beta$ (Callan-Symanzik) functions which are evaluated from the coefficient of the conformal anomalies coincide with the result of perturbative analysis.

17 pages, Latex, no figures, minor corrections and references added; to appear in Phys. Rev. D

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• The covariant form of the gauge anomaly on noncommutative R2n
• UV/IR Mixing and Anomalies in Noncommutative Gauge Theories
• Strong Field, Noncommutative QED
• Gravitational Anomalies in Noncommutative Field Theory