Charge Fluctuations in Soliton Anti-Soliton Systems Without Conjugation   Symmetry
  We construct the charge operator and discuss the limits of their eigenvalues as the separation between background soliton and anti-solitons goes to infinity and analyze the fluctuations of the charge. This is performed in a (1+1)D model with charge conjugation breaking. 
R. L. P. G. Amaral, V. E. R. Lemes and O.S. Ventura
hep-th