By virtue of the normal ordering of vacuum projector we directly derive some new complicated operatoridentities, regarding to the generalized Stirling number.
基金Supported by the National Natural Science Foundation of China under Grant Nos.10874174 and 10947017/A05 the Specialized Research Fund for the Doctorial Progress of Higher Education of China under Grant No.20070358009
文摘By virtue of the normal ordering of vacuum projector we directly derive some new complicated operatoridentities, regarding to the generalized Stirling number.
