Abstract
The axial anomaly is calculated as the infinite Langevin time limit of stochastic triangle diagrams. Their regularization is insured with the help of an analytic stochastic regulator. The usual axial anomaly is recovered only when the Langevin equations used to generate the perturbative expansion are gauge covariant.
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Unité de Recherche associée au CNRS no764
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Ader, J.P., Wallet, J.C. Stochastic perturbative derivation of the axial anomaly. Z. Phys. C - Particles and Fields 32, 575–578 (1986). https://doi.org/10.1007/BF01550781
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DOI: https://doi.org/10.1007/BF01550781