Abstract
Gauge invariant Lagrangian descriptions of half-integer higher-spin mixed-symmetric massless representations of the Poincare group with off-shell algebraic constraints are constructed within a metric-like formulation on the basis of a suggested constrained BRST approach. A gauge-invariant Fang–Fronsdal Lagrangian from the constrained BRST formulation are produced entirely in terms of the initial triple gamma-traceless spin-tensor field \({{\Psi }_{{{{{(\mu )}}_{n}}}}}\) with gamma-traceless gauge parameter. The triplet and quartet formulations are derived. The minimal (un)constrained BRST–BV actions for above formulations are obtained from proposed constrained BRST–BV approach.
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ACKNOWLEDGMENTS
The author is grateful to the organizers of the Workshop SQS’17 for their hospitality and to I.L. Buchbinder for the collaboration when solving the problem. The work has been done in the framework of the Program of Fundamental Research of State Academies of Sciences for 2013–2020.
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Reshetnyak, A.A. Constrained BRST-BFV and BRST-BV Lagrangians for Half-Integer HS Fields on\({{R}^{{1,d - 1}}}\). Phys. Part. Nuclei 49, 952–957 (2018). https://doi.org/10.1134/S1063779618050349
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DOI: https://doi.org/10.1134/S1063779618050349