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

M. Leblanc, R. MacKenzie, P. K. Panigrahi +1

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 a…