[HTML][HTML] Analysing quantum systems with randomised measurements

P Cieśliński, S Imai, J Dziewior, O Gühne, L Knips… - Physics Reports, 2024 - Elsevier
Measurements with randomly chosen settings determine many important properties of
quantum states without the need for a shared reference frame or calibration. They naturally …

Demonstration of Shor's factoring algorithm for N 21 on IBM quantum processors

U Skosana, M Tame - Scientific reports, 2021 - nature.com
We report a proof-of-concept demonstration of a quantum order-finding algorithm for
factoring the integer 21. Our demonstration involves the use of a compiled version of the …

Quantum verification and estimation with few copies

J Morris, V Saggio, A Gočanin… - Advanced Quantum …, 2022 - Wiley Online Library
As quantum technologies advance, the ability to generate increasingly large quantum states
has experienced rapid development. In this context, the verification and estimation of large …

A scheme to create and verify scalable entanglement in optical lattice

Y Zhou, B **ao, MD Li, Q Zhao, ZS Yuan, X Ma… - npj Quantum …, 2022 - nature.com
To achieve scalable quantum information processing, great efforts have been devoted to the
creation of large-scale entangled states in various physical systems. Ultracold atom in …

Demonstrating shareability of multipartite Einstein-Podolsky-Rosen steering

ZY Hao, K Sun, Y Wang, ZH Liu, M Yang, JS Xu… - Physical Review Letters, 2022 - APS
Einstein-Podolsky-Rosen (EPR) steering, a category of quantum nonlocal correlations
describing the ability of one observer to influence another party's state via local …

Multipartite entanglement analysis from random correlations

L Knips, J Dziewior, W Kłobus, W Laskowski… - npj Quantum …, 2020 - nature.com
Quantum entanglement is usually revealed via a well aligned, carefully chosen set of
measurements. Yet, under a number of experimental conditions, for example in …

Experimental few-copy multipartite entanglement detection

V Saggio, A Dimić, C Greganti, LA Rozema, P Walther… - Nature physics, 2019 - nature.com
Many future quantum technologies rely on the generation of entangled states. Quantum
devices will require verification of their operation below some error threshold, but the …

Entanglement classification and non--separability certification via Greenberger-Horne-Zeilinger-class fidelity

M Płodzień, J Chwedeńczuk, M Lewenstein… - Physical Review A, 2024 - APS
Many-body quantum systems can be characterized using the notions of k-separability and
entanglement depth. A quantum state is k-separable if it can be expressed as a mixture of k …

Efficient device-independent entanglement detection for multipartite systems

F Baccari, D Cavalcanti, P Wittek, A Acín - Physical Review X, 2017 - APS
Entanglement is one of the most studied properties of quantum mechanics for its application
in quantum information protocols. Nevertheless, detecting the presence of entanglement in …

Entanglement structure: entanglement partitioning in multipartite systems and its experimental detection using optimizable witnesses

H Lu, Q Zhao, ZD Li, XF Yin, X Yuan, JC Hung… - Physical Review X, 2018 - APS
Creating large-scale entanglement lies at the heart of many quantum information processing
protocols and the investigation of fundamental physics. For multipartite quantum systems, it …