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BRST Formalism and Zero Locus Reduction | | M.A. Grigoriev
; A.M. Semikhatov
; I.Yu. Tipunin
; | | Date: |
13 Dec 1999 | | Journal: | J.Math.Phys. 42 (2001) 3315-3333 | | Subject: | hep-th | | Abstract: | In the BRST quantization of gauge theories, the zero locus $Z_Q$ of the BRST differential $Q$ carries an (anti)bracket whose parity is opposite to that of the fundamental bracket. We show that the on-shell BFV/BV gauge symmetries are in a 1:1 correspondence with Hamiltonian vector fields on $Z_Q$, and observables of the BRST theory are in a 1:1 correspondence with characteristic functions of the bracket on $Z_Q$. By reduction to the zero locus, we obtain relations between bracket operations and differentials arising in different complexes (the Gerstenhaber, Schouten, Berezin-Kirillov, and Sklyanin brackets); the equation ensuring the existence of a nilpotent vector field on the reduced manifold can be the classical Yang-Baxter equation. We also generalize our constructions to the bi-QP-manifolds which from the BRST theory viewpoint corresponds to the BRST-anti-BRST-symmetric quantization. | | Source: | arXiv, hep-th/0001081 | | Services: | Forum | Review | PDF | Favorites | |
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