k-Gerbes, Line Bundles and Anomalies
arXiv:hep-th/0002063 · doi:10.1088/1126-6708/2000/10/038
Abstract
We use sets of trivial line bundles for the realization of gerbes. For 1-gerbes the structure arises naturally for the Weyl fermion vacuum bundle at a fixed time. The Schwinger term is an obstruction in the triviality of a 1-gerbe.
26 pages