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752 papers · 1 filter
Null fluid/gravity correspondence
Jay Armas, Emil Have, Gianbattista-Piero Nicosia
We construct a new class of perturbative asymptotically Anti-de Sitter pp-wave spacetimes by performing a long-wavelength expansion of Kaigorodov metrics in arbitrary spacetime dim…
Conformal Defects in Neural Network Field Theories
Pietro Capuozzo, Brandon Robinson, Benjamin Suzzoni
Neural Network Field Theories (NN-FTs) represent a novel construction of arbitrary field theories, including those of conformal fields, through the specification of the network arc…
Heterotic Black Holes in Duality-Invariant Formalism
Upamanyu Moitra
We consider the effective theory of heterotic strings in two spacetime dimensions, in a double field theory-inspired formalism, manifestly consistent with -duality in string the…
Limits on the Statistical Description of Charged de Sitter Black Holes
Lars Aalsma, Puxin Lin, Jan Pieter van der Schaar +2
The thermodynamics of de Sitter black holes is complicated by the presence of two horizons and the absence of a globally defined timelike Killing vector. The standard choice of the…
Effective density matrix for vacua in asymptotically flat gravity
Temple He, Prahar Mitra, Kathryn M. Zurek
We explicitly construct the density matrix associated to the vacuum state of a large spherically symmetric causal diamond of area in four-dimensional asymptotically flat gravit…
Quantum Entanglement Index in String Theory
Atish Dabholkar, Eleanor Harris, Upamanyu Moitra
We define a notion of `quantum entanglement index' with the aim to compute it for black hole horizons in string theory at one-loop order using the stringy replica method. We consid…