Summary
We study the quantized massive Dirac field coupled to external vector, axial vector and pseudoscalar fields. We discuss the symmetries of this model and calculate the axial anomalies. We do this within the framework of finite QED. We thus avoid any UV regularization and any formal manipulation of divergent quantities.
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Work supported by Schweizerischer Nationalfonds.
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Krahe, F. Axial anomalies in finite QED. Nuov Cim A 106, 917–954 (1993). https://doi.org/10.1007/BF02786661
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DOI: https://doi.org/10.1007/BF02786661