Irreducible Hamiltonian BRST symmetry for reducible first-class systems

TL;DR

This paper introduces an irreducible Hamiltonian BRST quantization approach tailored for reducible first-class systems, simplifying the treatment of such systems and connecting with existing reducible BRST methods.

Contribution

It proposes a novel irreducible Hamiltonian BRST quantization method specifically designed for reducible first-class systems, enhancing the theoretical framework.

Findings

Applied to a two-stage reducible model demonstrating effectiveness

Established connection with standard reducible BRST treatment

Simplified the quantization process for reducible systems

Abstract

An irreducible Hamiltonian BRST quantization method for reducible first-class systems is proposed. The general theory is illustrated on a two-stage reducible model, the link with the standard reducible BRST treatment being also emphasized.