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

  • L.L. Salcedo
Theoretical physics

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 the 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.

Keywords

Symmetry Group Order Term Effective Action Axial Vector Exact Formula 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • L.L. Salcedo
    • 1
  1. 1.Departamento de Física Moderna, Universidad de Granada, 18071 Granada, Spain ES

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