Abstract

A quantum gauge theory is anomalous within the BRST quantization if there does not exist any conserved, nilpotent BRST charge. What is to be called the BRST charge is then either a nilpotent of a conserved charge. It is proposed that a particular conserved charge may be used to consistently quantize an anomalous gauge theory. Such a charge always requires a consistent anomalous constraints algebra, which also makes the formalism applicable to systems with second class constraints. Some simple general properties of this approach is demonstrated. The example of the previously solved free anomalous, relativistic string theory is treated in detail.

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