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hep-th2024
The no boundary density matrix
Victor Ivo, Yue-Zhou Li, Juan Maldacena
We discuss a no-boundary proposal for a subregion of the universe. In the classical approximation, this density matrix involves finding a specific classical solution of the equatio…
hep-th2024★ 2 cited
Gravity and a universal cutoff for field theory
Simon Caron-Huot, Yue-Zhou Li
We analyze the one-loop effects of massive fields on 2-to-2 scattering processes involving gravitons. It has been suggested that in the presence of gravity, any local effective fie…