Can two or more gauge bosons propagate in the light-front?

Details Can two or more gauge bosons propagate in the light-front? Can two or more gauge bosons propagate in the light-front?

2004-07-14

arxiv.org/abs/hep-th/0407120v1

Physics

High Energy Physics

High Energy Physics - Theory

Prepared for 24rd Brazilian National Meeting on Particle and Fields, Caxambu-MG, Brazil, 2003

Scientific paper

Gauge fields in the light-front are usually fixed via the nA=0 condition yielding the non-local singularities of the type (kn)^(-a)=0 and a=1,2,.. in the gauge boson propagator which must be addressed conveniently. In calculating this propagator for n noncovariant gauge bosons those non-local terms demand the use of a prescription to ensure causality. We show that from 2 gauge bosons onward the implementation of such a prescription does not remove certain pathologies such as the non existence of two or more free propagating gauge bosons in the light-front form.

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