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 …

Reflected entropy in random tensor networks

C Akers, T Faulkner, S Lin, P Rath - Journal of High Energy Physics, 2022 - Springer
A bstract In holographic theories, the reflected entropy has been shown to be dual to the
area of the entanglement wedge cross section. We study the same problem in random …

Including contributions from entanglement islands to the reflected entropy

V Chandrasekaran, M Miyaji, P Rath - Physical Review D, 2020 - APS
Recent work has demonstrated the need to include contributions from entanglement islands
when computing the entanglement entropy in quantum field theory states coupled to regions …

Reflected entropy for an evaporating black hole

T Li, J Chu, Y Zhou - Journal of High Energy Physics, 2020 - Springer
A bstract We study reflected entropy as a mixed state correlation measure in black hole
evaporation. As a measure for bipartite mixed states, reflected entropy can be computed …

The Markov gap in the presence of islands

Y Lu, J Lin - Journal of High Energy Physics, 2023 - Springer
A bstract The Markov gap [1], namely the difference between reflected entropy and mutual
information, is explicitly computed in the defect extremal surface model, JT gravity, and the …

Sewing spacetime with Lorentzian threads: complexity and the emergence of time in quantum gravity

JF Pedraza, A Russo, A Svesko… - Journal of High Energy …, 2022 - Springer
A bstract Holographic entanglement entropy was recently recast in terms of Riemannian
flows or 'bit threads'. We consider the Lorentzian analog to reformulate the 'complexity …

The Page curve for reflected entropy

C Akers, T Faulkner, S Lin, P Rath - Journal of High Energy Physics, 2022 - Springer
A bstract We study the reflected entropy SR in the West Coast Model, a toy model of black
hole evaporation consisting of JT gravity coupled to end-of-the-world branes. We …

Ownerless island and partial entanglement entropy in island phases

D Basu, J Lin, Y Lu, Q Wen - SciPost Physics, 2023 - scipost.org
In the context of partial entanglement entropy (PEE), we study the entanglement structure of
the island phases realized in several 2-dimensional holographic set-ups. From a pure …

Snowmass white paper: Quantum information in quantum field theory and quantum gravity

T Faulkner, T Hartman, M Headrick… - arXiv preprint arXiv …, 2022 - arxiv.org
We present a summary of recent progress and remaining challenges in applying the
methods and ideas of quantum information theory to the study of quantum field theory and …

Reflected entropy and computable cross-norm negativity: Free theories and symmetry resolution

C Berthiere, G Parez - Physical Review D, 2023 - APS
We investigate a separability criterion based on the computable cross-norm (CCNR), and a
related quantity called the CCNR negativity. We introduce a reflected version of the CCNR …