On the Foundations of Chiral Perturbation Theory

Abstract

The properties of the effective field theory relevant for the low energy structure generated by the Goldstone bosons of a spontaneously broken symmetry are reexamined. It is shown that anomaly free, Lorentz invariant theories are characterized by a gauge invariant effective Lagrangian, to all orders of the low energy expansion. The paper includes a discussion of anomalies and approximate symmetries, but does not cover nonrelativistic effective theories.

52 pages, BUTP-93/24

References in corpus (1)

• Regularization Methods in Chiral Perturbation Theory

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