A Simple Algebraic Derivation of the Covariant Anomaly and Schwinger Term

Details A Simple Algebraic Derivation of the Covariant Anomaly and Schwinger Term A Simple Algebraic Derivation of the Covariant Anomaly and Schwinger Term

1999-03-17

arxiv.org/abs/hep-th/9903147v1

J.Math.Phys. 41 (2000) 7294-7303

Physics

High Energy Physics

High Energy Physics - Theory

16 pages

Scientific paper

An expression for the curvature of the "covariant" determinant line bundle is given in even dimensional space-time. The usefulness is guaranteed by its prediction of the covariant anomaly and Schwinger term. It allows a parallel derivation of the consistent anomaly and Schwinger term, and their covariant counterparts, which clarifies the similarities and differences between them. In particular, it becomes clear that in contrary to the case for anomalies, the difference between the consistent and covariant Schwinger term can not be extended to a local form on the space of gauge potentials.

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