The Chiral Anomaly of the Free Fermion in Functorial Field Theory

Author:

Ludewig Matthias,Roos SaskiaORCID

Abstract

AbstractWhen 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 sends manifolds to infinite-dimensional Clifford algebras and bordisms to bimodules.

Funder

Universität Potsdam

Publisher

Springer Science and Business Media LLC

Subject

Mathematical Physics,Nuclear and High Energy Physics,Statistical and Nonlinear Physics

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Categories of Lagrangian Correspondences in Super Hilbert Spaces and Fermionic Functorial Field Theory;Symmetry, Integrability and Geometry: Methods and Applications;2024-04-24

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