Derivative expansions of fermion determinants: Anomaly-induced vertices, Goldstone-Wilczek currents, and Skyrme terms
- 15 May 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 31 (10) , 2605-2615
- https://doi.org/10.1103/physrevd.31.2605
Abstract
An algebraic procedure for evaluating functional determinants in powers of derivatives of external fields is used to calculate one-fermion-loop contributions to low-energy effective Lagrangians involving anomaly-induced vertices, Goldstone-Wilczek currents, and Skyrme terms.Keywords
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