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hep-th2026
A UV-Finite Refinement of the Ryu-Takayanagi Relation in AdS/CFT
Albert Much, Philipp Dorau, Leonardo Sangaletti +1
We establish a refined Ryu--Takayanagi (RT) relation in AdS/CFT using \emph{relative entropy} as the central object, in place of the ultraviolet-divergent von Neumann entan…
hep-th2026
Noncommutative QFT and Relative Entropy on Axisymmetric Bifurcate Killing Horizons
Philipp Dorau, Albert Much, Rainer Verch
We construct a deformed algebraic quantum field theory on bifurcate Killing horizons in stationary axisymmetric spacetimes. The deformation is generated by the commuting actions of…