Trace anomalies for Weyl fermions: too odd to be true?
SA Abdallah, S. A. Franchino-Viñas, Markus B. Fröb
Abstract
Abstract 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.
Topics & Concepts
Feynman diagramFermionTRACE (psycholinguistics)Regularization (linguistics)PhysicsTheoretical physicsParity (physics)Mathematical physicsQuantum mechanicsPhilosophyLinguisticsQuantum Chromodynamics and Particle InteractionsDark Matter and Cosmic PhenomenaParticle physics theoretical and experimental studies