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hep-th2025
Holographic Cosmology at Finite Time
Goncalo Araujo-Regado, Ayngaran Thavanesan, Aron C. Wall
We investigate Cauchy Slice Holography in de Sitter spacetime. By performing a deformation of a (bottom-up) dS/CFT model, we obtain a holographic theory living on flat Cauchy…
hep-th2025
Relational entanglement entropies and quantum reference frames in gauge theories
Goncalo Araujo-Regado, Philipp A. Hoehn, Francesco Sartini
It has been shown that defining gravitational entanglement entropies relative to quantum reference frames (QRFs) intrinsically regularizes them. Here, we demonstrate that such rela…