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 …

Islands in charged linear dilaton black holes

B Ahn, SE Bak, HS Jeong, KY Kim, YW Sun - Physical Review D, 2022 - APS
We investigate the Page curve for a nonstandard black hole which is asymptotically
nonflat/AdS/dS. For this purpose, we apply the island prescription to the charged linear …

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 …

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 …

Entropy of Hawking radiation for two-sided hyperscaling violating black branes

F Omidi - Journal of High Energy Physics, 2022 - Springer
A bstract In this paper, we study the von Neumann entropy of Hawking radiation SR for a d+
2-dimensional Hyperscaling Violating (HV) black brane which is coupled to two Minkowski …

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 …

Islands and Page curves in charged dilaton black holes

MH Yu, XH Ge - The European Physical Journal C, 2022 - Springer
We study the Page curve for eternal Garfinkle–Horowitz–Strominger dilaton black holes in
four dimensional asymptotically flat spacetime by using the island paradigm. The results …

Island, Page curve, and superradiance of rotating BTZ black holes

MH Yu, CY Lu, XH Ge, SJ Sin - Physical Review D, 2022 - APS
We study the Page curve and the information paradox for the Bañados-Teiteboim-Zanelli
black hole coupled to two thermal baths by applying the island paradigm. We prove that as …

Entanglement islands in generalized two-dimensional dilaton black holes

MH Yu, XH Ge - Physical Review D, 2023 - APS
The Fabbri–Russo model is a generalized model of a two-dimensional dilaton gravity theory
with various parameters “n” describing various specific gravities. Particularly, the Russo …