Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-04-20
J.Phys.A33:7149-7164,2000
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX, 18 pages, no figures, minor corrections, references updated, typos corrected, journal reference given
Scientific paper
10.1088/0305-4470/33/40/312
We show that the BRST/anti-BRST invariant 3+1 dimensional 2-form gauge theory has further nilpotent symmetries (dual BRST /anti-dual BRST) that leave the gauge fixing term invariant. The generator for the dual BRST symmetry is analogous to the co-exterior derivative of differential geometry. There exists a bosonic symmetry which keeps the ghost terms invariant and it turns out to be the analogue of the Laplacian operator. The Hodge duality operation is shown to correspond to a discrete symmetry in the theory. The generators of all these continuous symmetries are shown to obey the algebra of the de Rham cohomology operators of differential geometry. We derive the extended BRST algebra constituted by six conserved charges and discuss the Hodge decomposition theorem in the quantum Hilbert space of states.
Harikumar E.
Malik R. P.
Sivakumar M.
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