Quantum networks self-test all entangled states

I Šupić, J Bowles, MO Renou, A Acín, MJ Hoban - Nature Physics, 2023 - nature.com
Certifying quantum properties with minimal assumptions is a fundamental problem in
quantum information science. Self-testing is a method to infer the underlying physics of a …

Demonstration of hypergraph-state quantum information processing

J Huang, X Li, X Chen, C Zhai, Y Zheng, Y Chi… - Nature …, 2024 - nature.com
Complex entangled states are the key resources for measurement-based quantum
computations, which is realised by performing a sequence of measurements on initially …

Optimizing quantum tomography via shadow inversion

A Caprotti, J Morris, B Dakić - Physical Review Research, 2024 - APS
In quantum information theory, the accurate estimation of observables is pivotal for quantum
information processing, playing a crucial role in computational and communication …

Shadow tomography on general measurement frames

L Innocenti, S Lorenzo, I Palmisano, F Albarelli… - PRX Quantum, 2023 - APS
We provide a new perspective on shadow tomography by demonstrating its deep
connections with the general theory of measurement frames. By showing that the formalism …

Collective operations can exponentially enhance quantum state verification

J Miguel-Ramiro, F Riera-Sàbat, W Dür - Physical review letters, 2022 - APS
Maximally entangled states are a key resource in many quantum communication and
computation tasks, and their certification is a crucial element to guarantee the desired …

Efficient verification of Affleck-Kennedy-Lieb-Tasaki states

T Chen, Y Li, H Zhu - Physical Review A, 2023 - APS
Affleck-Kennedy-Lieb-Tasaki (AKLT) states are an important class of many-body quantum
states that are useful in quantum information processing, including measurement-based …

A survey of universal quantum von Neumann architecture

YT Liu, K Wang, YD Liu, DS Wang - Entropy, 2023 - mdpi.com
The existence of universal quantum computers has been theoretically well established.
However, building up a real quantum computer system not only relies on the theory of …

Measurement-device-independent verification of quantum states

XY Xu, YZ Zhen, Q Zhou, SM Hu, JH Wei, NY Yang… - Physical Review A, 2024 - APS
Efficient and reliable verification of quantum states is central to quantum information
processing applications. If using well-characterized measurement devices, effective …

Efficient verification of ground states of frustration-free Hamiltonians

H Zhu, Y Li, T Chen - Quantum, 2024 - quantum-journal.org
Ground states of local Hamiltonians are of key interest in many-body physics and also in
quantum information processing. Efficient verification of these states are crucial to many …

Valid and efficient entanglement verification with finite copies of a quantum state

P Cieśliński, J Dziewior, L Knips, W Kłobus… - npj Quantum …, 2024 - nature.com
Detecting entanglement in multipartite quantum states is an inherently probabilistic process,
typically with a few measured samples. The level of confidence in entanglement detection …