2 papers
hep-th2025
Emergent unitarity in de Sitter from matrix integrals
Jordan Cotler, Kristan Jensen
We study Jackiw-Teitelboim gravity with positive cosmological constant as a model for de Sitter quantum gravity. We focus on the quantum mechanics of the model at past and future i…
hep-th2025
Low-dimensional de Sitter quantum gravity
Jordan Cotler, Kristan Jensen, Alexander Maloney
We study aspects of Jackiw-Teitelboim (JT) quantum gravity in two-dimensional nearly de Sitter (dS) spacetime, as well as pure de Sitter quantum gravity in three dimensions. These…