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 …

Quantum information processing with superconducting circuits: a review

G Wendin - Reports on Progress in Physics, 2017 - iopscience.iop.org
During the last ten years, superconducting circuits have passed from being interesting
physical devices to becoming contenders for near-future useful and scalable quantum …

Representation theory for geometric quantum machine learning

M Ragone, P Braccia, QT Nguyen, L Schatzki… - arxiv preprint arxiv …, 2022 - arxiv.org
Recent advances in classical machine learning have shown that creating models with
inductive biases encoding the symmetries of a problem can greatly improve performance …

Characterizing large-scale quantum computers via cycle benchmarking

A Erhard, JJ Wallman, L Postler, M Meth… - Nature …, 2019 - nature.com
Quantum computers promise to solve certain problems more efficiently than their digital
counterparts. A major challenge towards practically useful quantum computing is …

Building logical qubits in a superconducting quantum computing system

JM Gambetta, JM Chow, M Steffen - npj quantum information, 2017 - nature.com
The technological world is in the midst of a quantum computing and quantum information
revolution. Since Richard Feynman's famous 'plenty of room at the bottom'lecture (Feynman …

Cross-platform verification of intermediate scale quantum devices

A Elben, B Vermersch, R van Bijnen, C Kokail… - Physical review …, 2020 - APS
We describe a protocol for cross-platform verification of quantum simulators and quantum
computers. We show how to measure directly the overlap Tr [ρ 1 ρ 2] and the purities Tr [ρ 1 …

Three-qubit randomized benchmarking

DC McKay, S Sheldon, JA Smolin, JM Chow… - Physical review …, 2019 - APS
As quantum circuits increase in size, it is critical to establish scalable multiqubit fidelity
metrics. Here we investigate, for the first time, three-qubit randomized benchmarking (RB) on …

Algorithmic simulation of far-from-equilibrium dynamics using quantum computer

AA Zhukov, SV Remizov, WV Pogosov… - Quantum Information …, 2018 - Springer
We point out that superconducting quantum computers are prospective for the simulation of
the dynamics of spin models far from equilibrium, including nonadiabatic phenomena and …

Experimental realization of single-shot nonadiabatic holonomic gates in nuclear spins

H Li, Y Liu, GL Long - Science China Physics, Mechanics & Astronomy, 2017 - Springer
Nonadiabatic holonomic quantum computation has received increasing attention due to its
robustness against control errors. However, all the previous schemes have to use at least …

Continuous-variable quantum state designs: theory and applications

JT Iosue, K Sharma, MJ Gullans, VV Albert - Physical Review X, 2024 - APS
We generalize the notion of quantum state designs to infinite-dimensional spaces. We first
prove that, under the definition of continuous-variable (CV) state t-designs from [Blume …