Effective potential in Lorentz-breaking field theory modelsA. P. Baeta Scarpelli, L. C. T. Brito, J. C. C. Felipe, J. R. Nascimento and A. Yu. PetrovEur. Phys. J. C, 77 12 (2017) 850DOI: https://doi.org/10.1140/epjc/s10052-017-5430-4