Renormalization Group and Axial-Vector Current in Two-Dimensional Quantum Electrodynamics
- 15 September 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 8 (6), 1730-1734
- https://doi.org/10.1103/physrevd.8.1730
Abstract
An exactly soluble model of the renormalization group for two-dimensional quantum electrodynamics is presented. The theory has a nontrivial eigenvalue at which it is scale-invariant and some operators acquire anomalous dimensions. The anomalous constant associated with the axial-vector current is independent of the coupling constant away from the eigenvalue, but vanishes at the eigenvalue.Keywords
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