Abelian N=2 cubic vertices (s,s1,s2) with minimal derivatives exist only for s ≥ s1+s2 and take the form of a prepotential coupled to a conserved supercurrent; for s1≠s2 the supercurrent is complex, generating one parity-even and one parity-odd interaction.
Off-shell cubic hypermultiplet couplings to N= 2 higher spin gauge superfields
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The structure of N=2 abelian cubic higher-spin vertices is fully determined by three analytic supercurrents, and odd-spin (s,1,1) gauge transformations reduce to supersymmetric zilch symmetries.
General unconstrained and constrained BRST Lagrangians for massless and massive mixed-antisymmetric integer higher-spin fields with k-column Young tableaux are derived via so(k,k) Verma-module conversion.
A single unfolded first-order system reproduces the massless hypermultiplet in harmonic, N=2, N=1, and Minkowski formulations.
A self-review of the BLTP supersymmetry group's recent results in N=2 harmonic-superspace higher-spin models and 6D supersymmetric effective actions.
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Novel $\mathcal{N}=2$ higher-spin supercurrents
Abelian N=2 cubic vertices (s,s1,s2) with minimal derivatives exist only for s ≥ s1+s2 and take the form of a prepotential coupled to a conserved supercurrent; for s1≠s2 the supercurrent is complex, generating one parity-even and one parity-odd interaction.
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Structure of $\mathcal{N} = 2$ superfield higher-spin abelian cubic interactions
The structure of N=2 abelian cubic higher-spin vertices is fully determined by three analytic supercurrents, and odd-spin (s,1,1) gauge transformations reduce to supersymmetric zilch symmetries.
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General Lagrangian formulations for mixed-antisymmetric tensor fields on flat backgrounds
General unconstrained and constrained BRST Lagrangians for massless and massive mixed-antisymmetric integer higher-spin fields with k-column Young tableaux are derived via so(k,k) Verma-module conversion.
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Unfolded hypermultiplet in harmonic superspace
A single unfolded first-order system reproduces the massless hypermultiplet in harmonic, N=2, N=1, and Minkowski formulations.
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Supersymmetry at BLTP: Recent Progress in Two Directions
A self-review of the BLTP supersymmetry group's recent results in N=2 harmonic-superspace higher-spin models and 6D supersymmetric effective actions.