Axial-Anomaly in Noncommutative QED and Pauli-Villars Regularization
Abstract
We calculate the U(1) axial-anomaly in two and four dimensions using a modified path integral method coupled to a Pauli-Villars regulator field in the noncommutative QED. Pauli-Villars regularization method provides us with unambiguous way to connect the modified path integral formalism with perturbative axial Ward identities at each step of calculations.
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