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hep-th2026
Small black hole in de Sitter as an observer
Guanda Lin, Haifeng Tang
We study the Euclidean path integral around magnetically charged lukewarm black holes in four-dimensional de Sitter space. We numerically determine the full one-loop spectrum of co…
hep-th2026
Constrained particle on a group: from propagators to correlators
Guanda Lin
We develop a particle-on-a-group formulation of super-JT gravity aimed at computing supersymmetric correlators. We show that the (super)JT gravity can be described by a particle mo…