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The Characteristic Gluing Problem for the Einstein Vacuum Equations: Linear and Nonlinear Analysis
This is the second paper in a series of papers addressing the characteristic gluing problem for the Einstein vacuum equations. We solve the...
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Gluing. Part I. Integrals and symmetries
We review some aspects of the cutting and gluing law in local quantum field theory (QFT) and study it from a new point of view. In particular, we...
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Violation of the third law of thermodynamics by black holes, Riemann zeta function and Bose gas in negative dimensions
Black holes violate the third law of thermodynamics in its standard formulation. Schwarzschild black hole entropy is inverse proportional to the...
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On the Power Law for Describing the Mass Distribution of Fragments of a Disrupted Cosmic Body
AbstractAn important characteristic of the disruption of cosmic bodies (asteroids at their collision in outer space, meteoroids and asteroids...
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The generalized first law for more general matter
In previous work, a first law of generalized entropy was derived from semiclassical gravitational dynamics around thermal setups using an assumed...
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Loop Quantum Gravity and Quantum Information
We summarize recent developments at the interface of quantum gravity and quantum information and discuss applications to the quantum geometry of...
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Gluing Methods for Vortex Dynamics in Euler Flows
A classical problem for the two-dimensional Euler flow for an incompressible fluid confined to a smooth domain is that of finding regular solutions...
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Aspects of three-dimensional C-metric
In this work, we present an extensive analysis of the thermodynamics and holographic properties of three-dimensional C-metrics in the FG gauge, where...
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Gluing together modular flows with free fermions
We revisit the calculation of multi-interval modular Hamiltonians for free fermions using a Euclidean path integral approach. We show how the...
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Unified treatment of null and spatial infinity III: asymptotically minkowski space-times
The Spi framework provides a 4-dimensional approach to investigate the asymptotic properties of gravitational fields as one recedes from isolated...
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Direct Magnetoelectric Effect in Bilayered Ceramic Composites Based on Mn0.4Zn0.6Fe2O4 Ferrimagnet and PbZr0.53Ti0.47O3 Ferroelectric
AbstractDirect magnetoelectric effect has been studied for bilayered composites under different experimental conditions. The composites are obtained...
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4d \( \mathcal{N} \) = 2 supergravity observables from Nekrasov-like partition functions
We reinterpret the OSV formula for the on-shell action/entropy function of asymptotically flat BPS black holes as a fixed point formula that is...
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Higher spin JT gravity and a matrix model dual
We propose a generalization of the Saad-Shenker-Stanford duality relating matrix models and JT gravity to the case in which the bulk includes higher...
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Liouville quantum gravity — holography, JT and matrices
We study two-dimensional Liouville gravity and minimal string theory on spaces with fixed length boundaries. We find explicit formulas describing the...
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Casimir energy and modularity in higher-dimensional conformal field theories
An important problem in Quantum Field Theory (QFT) is to understand the structures of observables on spacetime manifolds of nontrivial topology. Such...
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Constraints on the topology of Type IIB string theory
We discuss some topological constraints on Type IIB string theory that cannot be described by elementary characteristic classes. Anomaly cancellation...
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Reflected entropy in random tensor networks
In holographic theories, the reflected entropy has been shown to be dual to the area of the entanglement wedge cross section. We study the same...