An unfolded dynamics system for the on-shell hypermultiplet is built, from which harmonic, N=2, N=1 superspace and component formulations arise systematically, demonstrating background universality.
N= 2 superconformal higher-spin multi- plets and their hypermultiplet couplings
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Constructs abelian (s,s1,s2) cubic vertices for N=2 higher-spin supermultiplets that exist only for s ≥ s1+s2 and take the universal form of a gauge prepotential coupled to a conserved supercurrent from Weyl supertensors, including a new complex principal supercurrent when s1 ≠ s2.
N=2 abelian higher-spin cubic (s1,s2,s2) vertices have analytic structure fully fixed by the supercurrents J++_{\alpha(s-1)\dot{\alpha}(s-1)}, J^+_{\alpha(s-1)\dot{\alpha}(s-2)} and \bar J^+_{\alpha(s-2)\dot{\alpha}(s-1)} for s1 \ge 2 s2.
citing papers explorer
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Unfolded hypermultiplet in harmonic superspace
An unfolded dynamics system for the on-shell hypermultiplet is built, from which harmonic, N=2, N=1 superspace and component formulations arise systematically, demonstrating background universality.
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Novel $\mathcal{N}=2$ higher-spin supercurrents
Constructs abelian (s,s1,s2) cubic vertices for N=2 higher-spin supermultiplets that exist only for s ≥ s1+s2 and take the universal form of a gauge prepotential coupled to a conserved supercurrent from Weyl supertensors, including a new complex principal supercurrent when s1 ≠ s2.
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Structure of $\mathcal{N} = 2$ superfield higher-spin abelian cubic interactions
N=2 abelian higher-spin cubic (s1,s2,s2) vertices have analytic structure fully fixed by the supercurrents J++_{\alpha(s-1)\dot{\alpha}(s-1)}, J^+_{\alpha(s-1)\dot{\alpha}(s-2)} and \bar J^+_{\alpha(s-2)\dot{\alpha}(s-1)} for s1 \ge 2 s2.