Bridging dS/CFT and Celestial Holography via Ward-Takahashi Identities

Hideo Furugori, Naoki Ogawa, Sotaro Sugishita +1

In 2507.17558, we provide a map from a scalar theory on $(D+2)$-dimensional Minkowski spacetime to a scalar theory with a continuous mass spectrum on $(D+1)$-dimensional de Sitter…