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 …

A principle of maximum ignorance for semiclassical gravity

J de Boer, D Liska, B Post, M Sasieta - Journal of High Energy Physics, 2024 - Springer
A bstract The principle of maximum ignorance posits that the coarse-grained description of a
system is maximally agnostic about its underlying microscopic structure. We briefly review …

Planar black holes in holographic axion gravity: Islands, Page times, and scrambling times

SAH Mansoori, O Luongo, S Mancini, M Mirjalali… - Physical Review D, 2022 - APS
The present work investigates the entanglement entropies of the Hawking radiations, Page
times, and scrambling times for the eternal planar black holes in the holographic axion …

Distinguishing random and black hole microstates

J Kudler-Flam, V Narovlansky, S Ryu - PRX Quantum, 2021 - APS
In this work, we study the distinguishability of random states drawn from the Wishart
ensemble as well as black hole microstates. We compute the relative entropy and many …

Negativity spectra in random tensor networks and holography

J Kudler-Flam, V Narovlansky, S Ryu - Journal of High Energy Physics, 2022 - Springer
A bstract Negativity is a measure of entanglement that can be used both in pure and mixed
states. The negativity spectrum is the spectrum of eigenvalues of the partially transposed …

The Petz (lite) recovery map for the scrambling channel

Y Nakayama, A Miyata, T Ugajin - Progress of Theoretical and …, 2023 - academic.oup.com
We study properties of the Petz recovery map in chaotic systems, such as the Hayden–
Preskill setup for evaporating black holes and the Sachdev–Ye–Kitaev (SYK) model. Since …

Page curve for entanglement negativity through geometric evaporation

JK Basak, D Basu, V Malvimat, H Parihar, G Sengupta - SciPost Physics, 2022 - scipost.org
We compute the entanglement negativity for various pure and mixed state configurations in
a bath coupled to an evaporating two dimensional non-extremal Jackiw-Teitelboim (JT) …

A modified cosmic brane proposal for holographic Renyi entropy

X Dong, J Kudler-Flam, P Rath - Journal of High Energy Physics, 2024 - Springer
A bstract We propose a new formula for computing holographic Renyi entropies in the
presence of multiple extremal surfaces. Our proposal is based on computing the wave …

Microstructure in matrix elements

A Blommaert, M Usatyuk - Journal of High Energy Physics, 2022 - Springer
A bstract We investigate the simple model of Pennington, Shenker, Stanford and Yang for
modeling the density matrix of Hawking radiation, but further include dynamics for EOW …

[HTML][HTML] Capacity of entanglement in random pure state

K Okuyama - Physics Letters B, 2021 - Elsevier
We compute the capacity of entanglement in the bipartite random pure state model using the
replica method. We find the exact expression of the capacity of entanglement which is valid …