A study of the zero modes of the Faddeev–Popov operator in Euclidean Yang–Mills theories in the Landau gauge in d=2,3,4 dimensionsM.A.L. Capri, M.S. Guimaraes, S.P. Sorella and D.G. TedescoEur. Phys. J. C, 72 3 (2012) 1939DOI: https://doi.org/10.1140/epjc/s10052-012-1939-8