Covariant formulation of non-Abelian gauge theories without anticommuting variables

A.A. Slavnov
1999 Physics Letters B  
A manifestly Lorentz invariant effective action for Yang-Mills theory depending only on commuting fields is constructed. This action posesses a bosonic symmetry, which plays a role analogous to the BRST symmetry in the standard formalism.
doi:10.1016/s0370-2693(99)01253-8 fatcat:wnqty7beknc6todcx6fpezygv4