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 …

[HTML][HTML] A tutorial on optimal control and reinforcement learning methods for quantum technologies

L Giannelli, S Sgroi, J Brown, GS Paraoanu… - Physics Letters A, 2022 - Elsevier
Abstract Quantum Optimal Control is an established field of research which is necessary for
the development of Quantum Technologies. In recent years, Machine Learning techniques …

[HTML][HTML] Deep reinforcement learning for quantum multiparameter estimation

V Cimini, M Valeri, E Polino, S Piacentini… - Advanced …, 2023 - spiedigitallibrary.org
Estimation of physical quantities is at the core of most scientific research, and the use of
quantum devices promises to enhance its performances. In real scenarios, it is fundamental …

Quantum metrology with boundary time crystals

V Montenegro, MG Genoni, A Bayat… - Communications …, 2023 - nature.com
Quantum sensing is one of the arenas that exemplifies the superiority of quantum
technologies over their classical counterparts. Such superiority, however, can be diminished …

Deep reinforcement learning for quantum state preparation with weak nonlinear measurements

R Porotti, A Essig, B Huard, F Marquardt - Quantum, 2022 - quantum-journal.org
Quantum control has been of increasing interest in recent years, eg for tasks like state
initialization and stabilization. Feedback-based strategies are particularly powerful, but also …

Critical quantum metrology assisted by real-time feedback control

R Salvia, M Mehboudi, M Perarnau-Llobet - Physical Review Letters, 2023 - APS
We investigate critical quantum metrology, that is, the estimation of parameters in many-
body systems close to a quantum critical point, through the lens of Bayesian inference …

Continuous Sensing and Parameter Estimation with the Boundary Time Crystal

A Cabot, F Carollo, I Lesanovsky - Physical Review Letters, 2024 - APS
A boundary time crystal is a quantum many-body system whose dynamics is governed by
the competition between coherent driving and collective dissipation. It is composed of N two …

Floquet engineering to overcome no-go theorem of noisy quantum metrology

SY Bai, JH An - Physical Review Letters, 2023 - APS
Permitting a more precise measurement to physical quantities than the classical limit by
using quantum resources, quantum metrology holds a promise in develo** many …

Exponential time-scaling of estimation precision by reaching a quantum critical point

L Garbe, O Abah, S Felicetti, R Puebla - Physical Review Research, 2022 - APS
Quantum metrology refers to the use of quantum resources in parameter-estimation
protocols, aiming at enhancing its precision. The quantum Fisher information is a key …

Steering-enhanced quantum metrology using superpositions of noisy phase shifts

KY Lee, JD Lin, A Miranowicz, F Nori, HY Ku… - Physical Review …, 2023 - APS
Quantum steering is an important correlation in quantum information theory. A recent work
[Nat. Commun. 12, 2410 (2021) NCAOBW 2041-1723 10.1038/s41467-021-22353-3] …