Axial Couplings on the World-Line

Details Axial Couplings on the World-Line Axial Couplings on the World-Line

1995-10-08

arxiv.org/abs/hep-th/9510036v2

Phys.Lett. B366 (1996) 212-219

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, LaTeX 2e with array and epsf packages, Postscript figures. Submitted to Phys. Lett. B. Minor corrections, fixed a nu

Scientific paper

10.1016/0370-2693(95)01392-X

We construct a world-line representation for the fermionic one-loop effective action with axial and also vector, scalar, and pseudo-scalar couplings. We use this expression to compute a few selected scattering amplitudes. These allow us to verify that our method yields the same results as standard field theory. In particular, we are able to reproduce the chiral anomaly. Our starting point is the second-order formulation for the Dirac fermion. We translate the second order expressions into a world-line action.

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