Induced $B\wedge F$ term and photon mass generation in 3+1 dimensions

Details Induced $B\wedge F$ term and photon mass generation in 3+1 dimensions Induced $B\wedge F$ term and photon mass generation in 3+1 dimensions

1993-11-12

arxiv.org/abs/hep-th/9311076v1

Int. J. Mod. Phys. A9 (1994) 4717-4726

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, UdeM-LPN-TH-162, CRM-1916

Scientific paper

Analysing a 3+1 dimensional model with four-Fermi interactions, we show that topological $\BF$ terms (both abelian and non-abelian) can be induced radiatively by massive fermions at the one-loop level. It is further pointed out that a mechanism of photon (or non-abelian gauge field) mass generation distinct from the usual Higgs mechanism, through the $\BF$ term, is also implemented in the long-distance effective action of this model, provided a gap equation is satisfied.

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