Anomaly and Nonplanar Diagrams in Noncommutative Gauge Theories

Anomalies arising from nonplanar triangle diagrams of noncommutative gauge theory are studied. Local chiral gauge anomalies for both noncommutative U(1) and U(N) gauge theories with adjoint matter fields are shown to vanish. For noncommutative QED with fundamental matters, due to UV/IR mixing a fini...

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Published in:arXiv.org 2001-10
Main Authors: Ardalan, Farhad, Sadooghi, Neda
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Language:English
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Anomalies
Gauge theory
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description Anomalies arising from nonplanar triangle diagrams of noncommutative gauge theory are studied. Local chiral gauge anomalies for both noncommutative U(1) and U(N) gauge theories with adjoint matter fields are shown to vanish. For noncommutative QED with fundamental matters, due to UV/IR mixing a finite anomaly emerges from the nonplanar contributions. It involves a generalized \(\star\)-product of gauge fields.
doi_str_mv 10.48550/arxiv.0009233
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subjects Anomalies
Gauge theory
title Anomaly and Nonplanar Diagrams in Noncommutative Gauge Theories
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