Irreducible Hamiltonian BRST-anti-BRST symmetry for reducible systems

TL;DR

This paper introduces an irreducible Hamiltonian BRST-anti-BRST framework for reducible first-class systems, utilizing homological methods, and demonstrates its application on the Freedman-Townsend model.

Contribution

It develops a novel formalism for irreducible Hamiltonian BRST-anti-BRST symmetry tailored to reducible systems, expanding the theoretical toolkit.

Findings

Successfully applies the formalism to the Freedman-Townsend model

Provides a homological approach to irreducible BRST-anti-BRST treatment

Enhances understanding of gauge symmetry structures in reducible systems

Abstract

An irreducible Hamiltonian BRST-anti-BRST treatment of reducible first-class systems based on homological arguments is proposed. The general formalism is exemplified on the Freedman-Townsend model.