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 …

Page curves for a family of exactly solvable evaporating black holes

X Wang, R Li, J Wang - Physical Review D, 2021 - APS
We study the entanglement entropy of a one-parameter family of exactly solvable gravities in
the two-dimensional asymptotically flat space. The islands and Page curves of 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 …

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 …

Replica wormholes and capacity of entanglement

K Kawabata, T Nishioka, Y Okuyama… - Journal of High Energy …, 2021 - Springer
A bstract We consider the capacity of entanglement as a probe of the Hawking radiation in a
two-dimensional dilaton gravity coupled with conformal matter of large degrees of freedom …

Replica wormholes and entanglement islands in the Karch-Randall braneworld

H Geng - Journal of High Energy Physics, 2025 - Springer
A bstract The Karch-Randall braneworld provides a natural set-up to study the Hawking
radiation from a black hole using holographic tools. Such a black hole lives on a brane and …

Page curve from defect extremal surface and island in higher dimensions

J Chu, F Deng, Y Zhou - Journal of High Energy Physics, 2021 - Springer
A bstract Defect extremal surface (DES) is defined by minimizing the Ryu-Takayanagi
surface corrected by the quantum theory localized on the defect, which is useful when the …

Island for gravitationally prepared state and pseudo entanglement wedge

M Miyaji - Journal of High Energy Physics, 2021 - Springer
A bstract We consider spacetime initiated by a finite-sized initial boundary as a
generalization of the Hartle-Hawking no-boundary state. We study entanglement entropy of …