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Trace anomalies for Weyl fermions: too odd to be true?
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We review recent discussions regarding the parity-odd contribution to the trace anomaly of a chiral fermion. We pay special attention to the perturbative approach in terms of Feynman diagrams, comparing in detail the results obtained using dimensional regularization and the Breitenlohner--Maison prescription with other approaches.
Forward citations
Cited by 2 Pith papers
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One Ring to Rule Them All: A Unified Topological Framework for 4D Superconformal Anomalies
All 4D N=1 superconformal anomalies are shown to fit a single BRST cohomology classification via a constraint ideal, with the a and c anomalies as the two cohomology classes.
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From chiral to conformal anomalies: a double copy perspective for CFT correlators
Squaring the chiral-anomaly three-current correlator, in its five-dimensional flat-space limit, reproduces the conformal-anomaly contribution to the stress-tensor three-point function.
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