Quantum error mitigation

Z Cai, R Babbush, SC Benjamin, S Endo… - Reviews of Modern …, 2023 - APS
For quantum computers to successfully solve real-world problems, it is necessary to tackle
the challenge of noise: the errors that occur in elementary physical components due to …

Quantum many-body simulations on digital quantum computers: State-of-the-art and future challenges

B Fauseweh - Nature Communications, 2024 - nature.com
Simulating quantum many-body systems is a key application for emerging quantum
processors. While analog quantum simulation has already demonstrated quantum …

Logical quantum processor based on reconfigurable atom arrays

D Bluvstein, SJ Evered, AA Geim, SH Li, H Zhou… - Nature, 2024 - nature.com
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …

Random quantum circuits

MPA Fisher, V Khemani, A Nahum… - Annual Review of …, 2023 - annualreviews.org
Quantum circuits—built from local unitary gates and local measurements—are a new
playground for quantum many-body physics and a tractable setting to explore universal …

Phase transitions in random circuit sampling

A Morvan, B Villalonga, X Mi, S Mandra, A Bengtsson… - Nature, 2024 - nature.com
Undesired coupling to the surrounding environment destroys long-range correlations in
quantum processors and hinders coherent evolution in the nominally available …

Time-crystalline eigenstate order on a quantum processor

X Mi, M Ippoliti, C Quintana, A Greene, Z Chen, J Gross… - Nature, 2022 - nature.com
Quantum many-body systems display rich phase structure in their low-temperature
equilibrium states. However, much of nature is not in thermal equilibrium. Remarkably, it was …

Stable quantum-correlated many-body states through engineered dissipation

X Mi, AA Michailidis, S Shabani, KC Miao, PV Klimov… - Science, 2024 - science.org
Engineered dissipative reservoirs have the potential to steer many-body quantum systems
toward correlated steady states useful for quantum simulation of high-temperature …

Quantum algorithms for quantum dynamics

A Miessen, PJ Ollitrault, F Tacchino… - Nature Computational …, 2023 - nature.com
Among the many computational challenges faced across different disciplines, quantum-
mechanical systems pose some of the hardest ones and offer a natural playground for the …

Measurement-induced entanglement and teleportation on a noisy quantum processor

Nature, 2023 - nature.com
Measurement has a special role in quantum theory: by collapsing the wavefunction, it can
enable phenomena such as teleportation and thereby alter the 'arrow of time'that constrains …

Realization of High-Fidelity CZ and -Free iSWAP Gates with a Tunable Coupler

Y Sung, L Ding, J Braumüller, A Vepsäläinen… - Physical Review X, 2021 - APS
High-fidelity two-qubit gates at scale are a key requirement to realize the full promise of
quantum computation and simulation. The advent and use of coupler elements to tunably …