Unfolded hypermultiplet in harmonic superspace

Abstract

We construct an unfolded system that describes an on-shell free massless hypermultiplet and show that the standard harmonic superspace formulation of this model naturally arises from the "vielbeinization" of unfolded 1-forms associated to R-symmetry. Moreover, using this system as an example, we demonstrate the phenomenon of background universality of the unfolded dynamics approach: we systematically deduce formulations in harmonic, N=2, and N=1 superspaces, as well as the component formulation in Minkowski space, directly from this unfolded system. We also comment on a putative off-shell extension of the on-shell system we constructed, and show how the harmonic contribution is reflected in the universal unfolded fiber.

V3: 20 pages; presentation improved, typos corrected. This version has been accepted for publication in EPJC

References in corpus (19)

• Holography, Unfolding and Higher-Spin Theory
• Unconstrained off-shell superfield formulation of $4D,\mathcal{N}=2$ supersymmetric higher spins
• More on Chiral Higher Spin Gravity and Convex Geometry
• Off-shell cubic hypermultiplet couplings to $\mathcal{N}=2$ higher spin gauge superfields
• Massive higher spin supermultiplets unfolded
• $\mathcal{N}=2$ higher spins: superfield equations of motion, the hypermultiplet supercurrents, and the component structure
• On unfolded off-shell formulation for higher-spin theory
• Unfolded equations for massive higher spin supermultiplets in AdS_3
• $\mathcal{N}=2$ superconformal higher-spin multiplets and their hypermultiplet couplings
• Unfolded Scalar Supermultiplet
• Scalar Electrodynamics and Higgs Mechanism in the Unfolded Dynamics Approach
• Unfolded Dynamics Approach and Quantum Field Theory
• Lorentz covariant form of extended higher-spin equations
• Off-Shell Scalar Supermultiplet in the Unfolded Dynamics Approach
• Linearized Coxeter Higher-Spin Theories
• On Unfolded Approach To Off-Shell Supersymmetric Models
• $\mathcal{N}=2$ higher-spin supercurrents
• Unconstrained $\mathcal{N}=2$ higher-spin gauge superfields and their hypermultiplet couplings
• $\mathcal{N}=2$ higher-spin theories and harmonic superspace