Axial anomalies in massless finite QED
Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields(2007)
摘要
Summary The triangle graphs with vector and axial vector couplings are investigated in the causal approach to massless QED. Since
this approach does not require ultraviolet regularization the question of axial current conservation can be unambiguously
discussed. Moreover, the case of massless fermions causes no serious problem. The anomaly appears in the process of distribution
splitting.
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关键词
11.10 - Field theory, 12.20 - Quantum electrodynamics
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