3 papers
hep-th2026
Covariant Locally Localized Gravity and vDVZ Continuity
Hao Geng, Moritz Merz, Lisa Randall
The Karch-Randall braneworld concerns the physics of an AdS brane embedded in an ambient gravitational AdS spacetime. The gravitational theory induced on the AdS$_{d}…
hep-th2026
Seeing Page Curves and Islands with Blinders On
Hao Geng, Andreas Karch, Carlos Perez-Pardavila +3
This paper summarizes recent discussions of the Page curve and the information paradox, and responds to the reasoning and examples from arXiv:2506.04311. We review arguments demons…
hep-th2026
Wet Hair: Global Symmetries in Entanglement Islands
Hao Geng, Jesús Huertas, Andreas Karch +2
A central conjecture in quantum gravity is the non-existence of global symmetries. As a fully unitary theory, there is no information loss in a UV complete quantum gravity theory.…