BRST-Invariant Constraint Algebra in Terms of Commutators and Quantum Antibrackets

Details BRST-Invariant Constraint Algebra in Terms of Commutators and Quantum Antibrackets BRST-Invariant Constraint Algebra in Terms of Commutators and Quantum Antibrackets

2003-01-08

arxiv.org/abs/hep-th/0301043v3

Theor.Math.Phys. 138 (2004) 1-17; Teor.Mat.Fiz. 138 (2004) 3-22

Physics

High Energy Physics

High Energy Physics - Theory

20 pages; some misprints are removed

Scientific paper

10.1023/B:TAMP.0000010628.58719.

General structure of BRST-invariant constraint algebra is established, in its commutator and antibracket forms, by means of formulation of algebra-generating equations in yet more extended phase space. New ghost-type variables behave as fields and antifields with respect to quantum antibrackets. Explicit form of BRST-invariant gauge algebra is given in detail for rank-one theories with Weyl- and Wick- ordered ghost sector. A gauge-fixed unitarizing Hamiltonian is constructed, and the formalism is shown to be physically equivalent to the standard BRST-BFV approach.

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