Quantization of systems with symmetry
arXiv:1502.00751
Abstract
We study the quantization of systems that contain both ordinary fields with a positive norm and their counterparts obeying different statistics. The systems have novel fermionic symmetries different from the space-time supersymmetry and the BRST symmetry. The unitarity of systems holds by imposing subsidiary conditions on states.
14 pages, some explanations added and typos corrected