Cd. Fosco et al., ABELIAN AND NON-ABELIAN INDUCED PARITY-BREAKING TERMS AT FINITE-TEMPERATURE, Physical review. D. Particles and fields, 56(10), 1997, pp. 6547-6555
We compute the exact canonically induced parity-breaking part of the e
ffective action for 2+1 massive fermions, in particular, Abelian and n
on-Abelian gauge field backgrounds. The method of computation resorts
to the chiral anomaly of the dimensionally reduced theory. [S0556-2821
(97)01222-8].