Phase factors, point-splitting regularisation and chiral anomalies

  • R. Banerjee
  • H. Banerjee
Article
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Abstract

A method is proposed to construct the path-independent form of phase factors pertaining to non-abelian gauge theories. It is found that the original form of the phase factor, as envisaged by Schwinger, is reproduced for a straight path. As an illustration of its use this work is applied, within the framework of point-splitting regularisation, to obtain the familiar axial anomaly in a pure vector gauge theory. Subtleties associated with the treatment of the vector gauge current are also discussed. Finally, the scheme of computations is employed to derive the covariant and consistent anomalies in a non-abelian chiral gauge theory in arbitrary even dimensions.

Keywords

Field Theory Elementary Particle Gauge Theory Quantum Field Theory Original Form 
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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • R. Banerjee
    • 1
  • H. Banerjee
    • 1
  1. 1.Saha Institute of Nuclear PhysicsCalcuttaIndia

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