Learning quantum systems

V Gebhart, R Santagati, AA Gentile, EM Gauger… - Nature Reviews …, 2023 - nature.com
The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

Machine-learning quantum states in the NISQ era

G Torlai, RG Melko - Annual Review of Condensed Matter …, 2020 - annualreviews.org
We review the development of generative modeling techniques in machine learning for the
purpose of reconstructing real, noisy, many-qubit quantum states. Motivated by its …

Reconstructing quantum states with generative models

J Carrasquilla, G Torlai, RG Melko… - Nature Machine …, 2019 - nature.com
A major bottleneck in the development of scalable many-body quantum technologies is the
difficulty in benchmarking state preparations, which suffer from an exponential 'curse of …

Learning quantum states and unitaries of bounded gate complexity

H Zhao, L Lewis, I Kannan, Y Quek, HY Huang… - PRX Quantum, 2024 - APS
While quantum state tomography is notoriously hard, most states hold little interest to
practically minded tomographers. Given that states and unitaries appearing in nature are of …

Quantum state tomography with conditional generative adversarial networks

S Ahmed, C Sánchez Muñoz, F Nori, AF Kockum - Physical review letters, 2021 - APS
Quantum state tomography (QST) is a challenging task in intermediate-scale quantum
devices. Here, we apply conditional generative adversarial networks (CGANs) to QST. In the …

Theory of quantum system certification

M Kliesch, I Roth - PRX quantum, 2021 - APS
The precise control of complex quantum systems promises numerous technological
applications including digital quantum computing. The complexity of such devices renders …

Robust shadow estimation

S Chen, W Yu, P Zeng, ST Flammia - PRX Quantum, 2021 - APS
Efficiently estimating properties of large and strongly coupled quantum systems is a central
focus in many-body physics and quantum information theory. While quantum computers …

Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance

N Shammah, S Ahmed, N Lambert, S De Liberato… - Physical Review A, 2018 - APS
The permutational invariance of identical two-level systems allows for an exponential
reduction in the computational resources required to study the Lindblad dynamics of …

Fisher information and entanglement of non-Gaussian spin states

H Strobel, W Muessel, D Linnemann, T Zibold… - Science, 2014 - science.org
Entanglement is the key quantum resource for improving measurement sensitivity beyond
classical limits. However, the production of entanglement in mesoscopic atomic systems has …

Open-system dynamics of entanglement: a key issues review

L Aolita, F De Melo, L Davidovich - Reports on Progress in …, 2015 - iopscience.iop.org
One of the greatest challenges in the fields of quantum information processing and quantum
technologies is the detailed coherent control over each and every constituent of quantum …