Generalized entropy for general subregions in quantum gravity

K Jensen, J Sorce, AJ Speranza - Journal of High Energy Physics, 2023 - Springer
A bstract We consider quantum algebras of observables associated with subregions in
theories of Einstein gravity coupled to matter in the GN→ 0 limit. When the subregion is …

Comments on the double cone wormhole

Y Chen, V Ivo, J Maldacena - Journal of High Energy Physics, 2024 - Springer
A bstract In this paper we revisit the double cone wormhole introduced by Saad, Shenker
and Stanford (SSS), which was shown to reproduce the ramp in the spectral form factor. As a …

The centaur-algebra of observables

SE Aguilar-Gutierrez, E Bahiru, R Espíndola - Journal of High Energy …, 2024 - Springer
A bstract This letter explores a transition in the type of von Neumann algebra for
asymptotically AdS spacetimes from the implementations of the different gravitational …

An intuitive construction of modular flow

J Sorce - Journal of High Energy Physics, 2023 - Springer
A bstract The theory of modular flow has proved extremely useful for applying
thermodynamic reasoning to out-of-equilibrium states in quantum field theory. However, the …

Geometric phases characterise operator algebras and missing information

S Banerjee, M Dorband, J Erdmenger… - Journal of High Energy …, 2023 - Springer
A bstract We show how geometric phases may be used to fully describe quantum systems,
with or without gravity, by providing knowledge about the geometry and topology of its …

Symmetry-resolved modular correlation functions in free fermionic theories

G Di Giulio, J Erdmenger - Journal of High Energy Physics, 2023 - Springer
A bstract As a new ingredient for analyzing the fine structure of entanglement, we study the
symmetry resolution of the modular flow of U (1)-invariant operators in theories endowed …

Inside the hologram: reconstructing the bulk observer's experience

DL Jafferis, L Lamprou - Journal of High Energy Physics, 2022 - Springer
A bstract We develop a holographic framework for describing the experience of bulk
observers in AdS/CFT, that allows us to compute the proper time and energy distribution …

Resolving modular flow: a toolkit for free fermions

J Erdmenger, P Fries, IA Reyes, CP Simon - Journal of High Energy …, 2020 - Springer
A bstract Modular flow is a symmetry of the algebra of observables associated to space-time
regions. Being closely related to entanglement, it has played a key role in recent …

Virasoro algebras, kinematic space and the spectrum of modular Hamiltonians in CFT2

S Das, B Ezhuthachan, S Porey, B Roy - Journal of High Energy Physics, 2021 - Springer
A bstract We construct an infinite class of eigenmodes with integer eigenvalues for the
Vacuum Modular Hamiltonian of a single interval N in 2d CFT and study some of its …

Geometric Phases and Factorisation in Quantum Physics and Gravity

M Dorband - 2024 - opus.bibliothek.uni-wuerzburg.de
In this thesis I explore the interplay of geometry and quantum information theory via the
holographic principle, with a specific focus on geometric phases in quantum systems like …