Abstract:
We establish the general structure of the BRST-invariant algebra of constraints in its commutator and antibracket forms via the formulation of algebra-generating equations in a supplementally extended phase space. New ghost-type variables behave as fields and antifields with respect to quantum antibrackets. The explicit form of the BRST-invariant gauge algebra is given in detail for rank-one theories with a Weyl and a Wick-ordered ghost sector. We construct a ixed-gauge unitarizing Hamiltonian and show that the formalism is physically equivalent to the standard BRST–BFV approach.
Keywords:
BRST symmetry, algebra of constraints, quantum antibracket.
Citation:
I. A. Batalin, I. V. Tyutin, “BRST-Invariant Algebra of Constraints in Terms of Commutators and Quantum Antibrackets”, TMF, 138:1 (2004), 3–22; Theoret. and Math. Phys., 138:1 (2004), 1–17
Batalin I, Tyutin I, “On the transformations of Hamiltonian gauge algebra under rotations of constraints”, International Journal of Modern Physics A, 20:4 (2005), 895–905
Batalin, IA, “BRST-anti-BRST symmetric conversion of second-class constraints”, International Journal of Modern Physics A, 18:24 (2003), 4485