Inconsistency of islands in theories with long-range gravity

H Geng, A Karch, C Perez-Pardavila, S Raju… - Journal of High Energy …, 2022 - Springer
A bstract In ordinary gravitational theories, any local bulk operator in an entanglement
wedge is accompanied by a long-range gravitational dressing that extends to the asymptotic …

Entanglement phase structure of a holographic BCFT in a black hole background

H Geng, A Karch, C Perez-Pardavila, S Raju… - Journal of High Energy …, 2022 - Springer
A bstract We compute holographic entanglement entropy for subregions of a BCFT thermal
state living on a nongravitating black hole background. The system we consider is doubly …

The Markov gap for geometric reflected entropy

P Hayden, O Parrikar, J Sorce - Journal of High Energy Physics, 2021 - Springer
A bstract The reflected entropy SR (A: B) of a density matrix ρ AB is a bipartite correlation
measure lower-bounded by the quantum mutual information I (A: B). In holographic states …

Bath deformations, islands, and holographic complexity

A Bhattacharya, A Bhattacharyya, P Nandy, AK Patra - Physical Review D, 2022 - APS
Considering a doubly holographic model, we study the evolution of holographic subregion
complexity corresponding to deformations of the bath state by a relevant scalar operator …

Holographic BCFTs and communicating black holes

H Geng, S Lüst, RK Mishra, D Wakeham - Journal of High Energy Physics, 2021 - Springer
A bstract We study the AdS/BCFT duality between two-dimensional conformal field theories
with two boundaries and three-dimensional anti-de Sitter space with two Karch-Randall …

Dirichlet baths and the not-so-fine-grained Page curve

K Ghosh, C Krishnan - Journal of High Energy Physics, 2021 - Springer
A bstract We present a doubly holographic prescription for computing entanglement entropy
on a gravitating brane. It involves a Ryu-Takayanagi surface with a Dirichlet anchoring …

The universality of islands outside the horizon

S He, Y Sun, L Zhao, YX Zhang - Journal of High Energy Physics, 2022 - Springer
A bstract We systematically calculate the quantum extremal surface (QES) associated with
Hawking radiation for general D-dimensional (D≥ 2) asymptotically flat (or AdS) eternal …

Holographic moving mirrors

I Akal, Y Kusuki, N Shiba, T Takayanagi… - Classical and Quantum …, 2021 - iopscience.iop.org
Moving mirrors have been known as tractable setups modeling Hawking radiation from
black holes. In this paper, motivated by recent developments regarding the black hole …

Quantum extremal islands made easy. Part IV. Massive black holes on the brane

G Grimaldi, J Hernandez, RC Myers - Journal of High Energy Physics, 2022 - Springer
A bstract We study two-dimensional eternal black holes with non-zero mass, where each
asymptotic boundary is in contact with a CFT on a circle, following the doubly holographic …

Entanglement entropy analysis of dyonic black holes using doubly holographic theory

HS Jeong, KY Kim, YW Sun - Physical Review D, 2023 - APS
We investigate the entanglement between the eternal black hole and Hawking radiation. For
this purpose, we utilize the doubly holographic theories and study the entanglement entropy …