Ghost Condensates and Dynamical Breaking of SL(2,R) in Yang-Mills in the   Maximal Abelian Gauge
  Ghost condensates of dimension two in SU(N) Yang-Mills theory quantized in the Maximal Abelian Gauge are discussed. These condensates turn out to be related to the dynamical breaking of the SL(2,R) symmetry present in this gauge 
V.E.R. Lemes, M.S. Sarandy, S.P. Sorella