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hep-th2026
Higher-Spin dS/CFT beyond minimal type-A, and the doubled nature of de Sitter space
Julian Lang, Yasha Neiman
We study the holographic duality between free vector models and Higher-Spin Gravity in 4-dimensional de Sitter space. On both the bulk and boundary sides, we introduce new reality…
hep-th2025
Causality of higher-spin interactions on the (A)dS lightcone, with application to the static patch
Jin Kozaki, Julian Lang, Yasha Neiman
We study Higher-Spin Gravity in 4-dimensional (Anti-)de Sitter space, at leading order in the interactions (cubic vertices), in the AdS lightcone formalism developed by Metsaev. Us…
hep-th2024
N=2 supersymmetry in the twistor description of higher-spin holography
Julian Lang, Yasha Neiman
We study the holographic duality between higher-spin (HS) gravity in 4d and free vector models in 3d, with special attention to the role of N=2 supersymmetry (SUSY). For the type-A…