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Effective field theory of stochastic diffusion from gravity
Jewel K. Ghosh, R. Loganayagam, Siddharth G. Prabhu +3
Planar black holes in AdS have long-lived quasinormal modes which capture the physics of charge and momentum diffusion in the dual field theory. How should we characterize the effe…
Real-time gravitational replicas: Formalism and a variational principle
Sean Colin-Ellerin, Xi Dong, Donald Marolf +2
This work is the first step in a two-part investigation of real-time replica wormholes. Here we study the associated real-time gravitational path integral and construct the variati…
Petz reconstruction in random tensor networks
Hewei Frederic Jia, Mukund Rangamani
We illustrate the ideas of bulk reconstruction in the context of random tensor network toy models of holography. Specifically, we demonstrate how the Petz reconstruction map works…
Open quantum systems and Schwinger-Keldysh holograms
Chandan Jana, R. Loganayagam, Mukund Rangamani
We initiate the study of open quantum field theories using holographic methods. Specifically, we consider a quantum field theory (the system) coupled to a holographic field theory…
Superbalance of Holographic Entropy Inequalities
Temple He, Veronika E. Hubeny, Mukund Rangamani
The domain of allowed von Neumann entropies of a holographic field theory carves out a polyhedral cone -- the holographic entropy cone -- in entropy space. Such polyhedral cones ar…