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Derivative expansion for the effective action of chiral gauge fermions. The abnormal parity component

L. L. Salcedo
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Abstract

Explicit exact formulas are presented, for the leading order term in a strict chiral covariant derivative expansion, for the abnormal parity component of the effective action of two- and four-dimensional Dirac fermions in presence of scalar, pseudo-scalar, vector and axial vector background fields. The formulas hold for completely general internal symmetry groups and general configurations. In particular the scalar and pseudo-scalar fields need not be on the chiral circle.

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L. L. Salcedo. 2001-03-01. Derivative expansion for the effective action of chiral gauge fermions. The abnormal parity component. https://doi.org/10.1007/s100520100641

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