On the trace anomaly for Weyl fermions

Loriano Bonora; Roberto Soldati

On the trace anomaly for Weyl fermions

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arxiv 1909.11991 v2 pith:TCMXV2NJ submitted 2019-09-26 hep-th

Loriano Bonora , Roberto Soldati This is my paper · ORCID

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keywords anomalyfermionstraceweylcannotcommentcontroversydetails

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This note is a comment on some recent papers that have raised a controversy about the existence of the odd-parity trace anomaly in a four-dimensional theory of Weyl fermions. Without going into too technical details we explain why the methods employed in those papers cannot detect it.

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A fermion primer
hep-th 2026-08 reject novelty 3.0 of 10

A review claiming Weyl fermions have no propagator and that the standard Dirac-propagator substitution is logically flawed, with a Bardeen spectator-field method proposed as the correct alternative.

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