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210 papers · 1 filter
Before the Bang: Wormholes at the Dawn of the Universe
Panos Betzios, Paul Ghiringhelli, Ioannis D. Gialamas +1
This essay discusses recent progress on Euclidean wormholes as candidate contributions to the Universe's initial quantum state. The comparison with the Hartle-Hawking no-boundary p…
Quantum complexity in gravity, quantum field theory, and quantum information science
Stefano Baiguera, Vijay Balasubramanian, Pawel Caputa +4
Quantum complexity quantifies the difficulty of preparing a state or implementing a unitary transformation with limited resources. Applications range from quantum computation to co…
Wormholes, branes and finite matrices in sine dilaton gravity
Andreas Blommaert, Adam Levine, Thomas G. Mertens +2
We compute the double trumpet in sine dilaton gravity via WdW quantization. The wormhole size is discretized. The wormhole amplitude matches the spectral correlation of a finite-cu…
Krylov spread complexity as holographic complexity beyond JT gravity
Michal P. Heller, Jacopo Papalini, Tim Schuhmann
One of the important open problems in quantum black hole physics is a dual interpretation of holographic complexity proposals. To date the only quantitative match is the equality b…
Magnetic Anti-de Sitter Wormholes as seeds for Higgs Inflation
Panos Betzios, Ioannis D. Gialamas, Olga Papadoulaki
We show how certain types of magnetic asymptotically Anti-de Sitter Euclidean wormholes can catalyze the onset of inflation. These wormholes can be embedded as saddle point solutio…
Geometric Interpretation of Timelike Entanglement Entropy
Michal P. Heller, Fabio Ori, Alexandre Serantes
Analytic continuations of holographic entanglement entropy in which the boundary subregion extends along a timelike direction have brought a promise of a novel, time-centric probe…