Derives general BRST-BV Lagrangian for free fields in Poincare AdS, develops constrained and unconstrained versions for massless/massive/partially-massless and continuous-spin fields, and matches to metric-like formulation.
Gauge invariant Lagrangian construction for massive bosonic higher spin fields in D dimentions
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abstract
We develop the BRST approach to Lagrangian formulation for massive higher integer spin fields on a flat space-time of arbitrary dimension. General procedure of gauge invariant Lagrangian construction describing the dynamics of massive bosonic field with any spin is given. No off-shell constraints on the fields (like tracelessness) and the gauge parameters are imposed. The procedure is based on construction of new representation for the closed algebra generated by the constraints defining an irreducible massive bosonic representation of the Poincare group. We also construct Lagrangian describing propagation of all massive bosonic fields simultaneously. As an example of the general procedure, we derive the Lagrangians for spin-1, spin-2 and spin-3 fields containing total set of auxiliary fields and gauge symmetries of free massive bosonic higher spin field theory.
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Gauge-invariant off-shell actions for 3D massive higher-spin N=2 supermultiplets with central charge are constructed via Kaluza-Klein reduction from 4D massless N=1 supermultiplets, including new massive versions of old and new minimal supergravity.
A BRST formulation yields a single constraint per off-shell quartic vertex ensuring gauge invariance and associativity, with example solutions for low-spin cases in black hole scattering.
citing papers explorer
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BRST-BV approach to fields in Poincare patch of AdS
Derives general BRST-BV Lagrangian for free fields in Poincare AdS, develops constrained and unconstrained versions for massless/massive/partially-massless and continuous-spin fields, and matches to metric-like formulation.
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Gauge-invariant off-shell formulations for 3D massive higher-spin supermultiplets
Gauge-invariant off-shell actions for 3D massive higher-spin N=2 supermultiplets with central charge are constructed via Kaluza-Klein reduction from 4D massless N=1 supermultiplets, including new massive versions of old and new minimal supergravity.
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BRST methods for constructing quartic actions for spinning black holes
A BRST formulation yields a single constraint per off-shell quartic vertex ensuring gauge invariance and associativity, with example solutions for low-spin cases in black hole scattering.