Particle production from axial fields

Details Particle production from axial fields Particle production from axial fields

1998-10-22

arxiv.org/abs/hep-ph/9810447v2

Phys.Rev.D59:063501,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 1 figure, RevTeX; minor corrections, version to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.59.063501

We study the production of massive fermions in arbitrary vector and axial-vector classical backgrounds using effective action techniques. A perturbative calculation shows the different features of each field and in particular it is seen that pure temporal axial fields can produce particles whereas it is not possible for a pure vector background. We also analyze from a non-perturbative point of view a particular configuration with constant electric and axial fields and show that the presence of the axial background inhibits the production from the electric field.

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