Noisy intermediate-scale quantum computers

B Cheng, XH Deng, X Gu, Y He, G Hu, P Huang, J Li… - Frontiers of …, 2023 - Springer
Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

Colloquium: Protecting quantum information against environmental noise

D Suter, GA Álvarez - Reviews of Modern Physics, 2016 - APS
Quantum technologies represent a rapidly evolving field in which the specific properties of
quantum mechanical systems are exploited to enhance the performance of various …

Measuring out-of-time-order correlations and multiple quantum spectra in a trapped-ion quantum magnet

M Gärttner, JG Bohnet, A Safavi-Naini, ML Wall… - Nature Physics, 2017 - nature.com
Controllable arrays of ions and ultracold atoms can simulate complex many-body
phenomena and may provide insights into unsolved problems in modern science. To this …

Unifying scrambling, thermalization and entanglement through measurement of fidelity out-of-time-order correlators in the Dicke model

RJ Lewis-Swan, A Safavi-Naini, JJ Bollinger… - Nature …, 2019 - nature.com
Scrambling is the process by which information stored in local degrees of freedom spreads
over the many-body degrees of freedom of a quantum system, becoming inaccessible to …

Emulating many-body localization with a superconducting quantum processor

K Xu, JJ Chen, Y Zeng, YR Zhang, C Song, W Liu… - Physical review …, 2018 - APS
The law of statistical physics dictates that generic closed quantum many-body systems
initialized in nonequilibrium will thermalize under their own dynamics. However, the …

Hybrid quantum-classical approach to quantum optimal control

J Li, X Yang, X Peng, CP Sun - Physical review letters, 2017 - APS
A central challenge in quantum computing is to identify more computational problems for
which utilization of quantum resources can offer significant speedup. Here, we propose a …

Exploring localization in nuclear spin chains

KX Wei, C Ramanathan, P Cappellaro - Physical review letters, 2018 - APS
Characterizing out-of-equilibrium many-body dynamics is a complex but crucial task for
quantum applications and understanding fundamental phenomena. A central question is the …

Robust dynamic hamiltonian engineering of many-body spin systems

J Choi, H Zhou, HS Knowles, R Landig, S Choi… - Physical Review X, 2020 - APS
We introduce a new approach for the robust control of quantum dynamics of strongly
interacting many-body systems. Our approach involves the design of periodic global control …

One-dimensional quasicrystals with power-law hopping

X Deng, S Ray, S Sinha, GV Shlyapnikov, L Santos - Physical review letters, 2019 - APS
One-dimensional quasiperiodic systems with power-law hopping, 1/ra, differ from both the
standard Aubry-André (AA) model and from power-law systems with uncorrelated disorder …

Quantum image processing and its application to edge detection: theory and experiment

XW Yao, H Wang, Z Liao, MC Chen, J Pan, J Li… - Physical Review X, 2017 - APS
Processing of digital images is continuously gaining in volume and relevance, with
concomitant demands on data storage, transmission, and processing power. Encoding the …