• DOI:10.1007/s00023-020-00893-6
Corpus ID: 202542575

The Chiral Anomaly of the Free Fermion in Functorial Field Theory

@article{Ludewig2019TheCA,
  title={The Chiral Anomaly of the Free Fermion in Functorial Field Theory},
  author={M. Ludewig and S. Roos},
  journal={Annales Henri Poincar{\'e}},
  year={2019},
  volume={21},
  pages={1191-1233}
}

• M. Ludewig, S. Roos
• Published 2019
• Physics, Mathematics
• Annales Henri Poincaré

When trying to cast the free fermion in the framework of functorial field theory, its chiral anomaly manifests in the fact that it assigns the determinant of the Dirac operator to a top-dimensional closed spin manifold, which is not a number as expected, but an element of a complex line. In functorial field theory language, this means that the theory is twisted , which gives rise to an anomaly theory . In this paper, we give a detailed construction of this anomaly theory, as a functor that… Expand

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