A review of quantum correlation sharing: The recycling of quantum correlations triggered by quantum measurements

Z Cai, C Ren, T Feng, X Zhou, J Chen - Physics Reports, 2025 - Elsevier
Quantum correlation and quantum measurement are core issues in understanding the
quantum world. Revealing quantum correlations in microphysical systems through proper …

Arbitrarily many independent observers can share the nonlocality of a single maximally entangled qubit pair

PJ Brown, R Colbeck - Physical Review Letters, 2020 - APS
Alice and Bob each have half of a pair of entangled qubits. Bob measures his half and then
passes his qubit to a second Bob who measures again and so on. The goal is to maximize …

Recycling qubits for the generation of Bell nonlocality between independent sequential observers

S Cheng, L Liu, TJ Baker, MJW Hall - Physical Review A, 2022 - APS
There is currently much interest in the recycling of entangled systems, for use in quantum
information protocols by sequential observers. In this work, we study the sequential …

Phase-controlled asymmetric optomechanical entanglement against optical backscattering

JX Liu, YF Jiao, Y Li, XW Xu, QY He, H **g - Science China Physics …, 2023 - Springer
Quantum entanglement plays a key role in both understanding the fundamental aspects of
quantum physics and realizing various quantum devices for practical applications. Here we …

Entanglement-preserving measurement of the Bell parameter on a single entangled pair

S Virzì, E Rebufello, F Atzori, A Avella… - Quantum Science …, 2024 - iopscience.iop.org
Bell inequalities represent one of the cornerstones of quantum foundations, and a
fundamental tool for quantum technologies. Although a lot of effort was put in exploring and …

Einstein-Podolsky-Rosen steering in two-sided sequential measurements with one entangled pair

J Zhu, MJ Hu, CF Li, GC Guo, YS Zhang - Physical Review A, 2022 - APS
Nonlocality and quantum measurement are two fundamental topics in quantum theory and
their interplay attracts intensive focuses since the discovery of Bell theorem. Recently …

Experimental characterization of unsharp qubit observables and sequential measurement incompatibility via quantum random access codes

H Anwer, S Muhammad, W Cherifi, N Miklin… - Physical review …, 2020 - APS
Unsharp measurements are increasingly important for foundational insights in quantum
theory and quantum information applications. Here, we report an experimental …

Genuine Einstein-Podolsky-Rosen steering of three-qubit states by multiple sequential observers

S Gupta, AG Maity, D Das, A Roy, AS Majumdar - Physical Review A, 2021 - APS
We investigate the possibility of multiple uses of a single copy of a three-qubit state for
detecting genuine tripartite Einstein-Podolsky-Rosen (EPR) steering. A pure three-qubit …

Detection of genuine tripartite entanglement by multiple sequential observers

AG Maity, D Das, A Ghosal, A Roy, AS Majumdar - Physical Review A, 2020 - APS
We explore the possibility of multiple usage of a single genuine entangled state by
considering a scenario consisting of three spin-1 2 particles shared between Alice, Bob, and …

Demonstration of simultaneous quantum steering by multiple observers via sequential weak measurements

YH Choi, S Hong, T Pramanik, HT Lim, YS Kim, H Jung… - Optica, 2020 - opg.optica.org
Quantum correlation is a fundamental resource for various quantum information tasks. It is
thus of importance to share the correlation to utilize it for many parties, but sharing quantum …