Benchmarking quantum computers

T Proctor, K Young, AD Baczewski… - Nature Reviews …, 2025 - nature.com
The rapid pace of development in quantum computing technology has sparked a
proliferation of benchmarks to assess the performance of quantum computing hardware and …

Decoding algorithms for surface codes

A deMarti iOlius, P Fuentes, R Orús, PM Crespo… - Quantum, 2024 - quantum-journal.org
Quantum technologies have the potential to solve certain computationally hard problems
with polynomial or super-polynomial speedups when compared to classical methods …

Exponentially tighter bounds on limitations of quantum error mitigation

Y Quek, D Stilck França, S Khatri, JJ Meyer, J Eisert - Nature Physics, 2024 - nature.com
Quantum error mitigation has been proposed as a means to combat unwanted and
unavoidable errors in near-term quantum computing without the heavy resource overheads …

Quantum-centric supercomputing for materials science: A perspective on challenges and future directions

Y Alexeev, M Amsler, MA Barroca, S Bassini… - Future Generation …, 2024 - Elsevier
Computational models are an essential tool for the design, characterization, and discovery
of novel materials. Computationally hard tasks in materials science stretch the limits of …

Purification-based quantum error mitigation of pair-correlated electron simulations

TE O'Brien, G Anselmetti, F Gkritsis, VE Elfving… - Nature Physics, 2023 - nature.com
An important measure of the development of quantum computing platforms has been the
simulation of increasingly complex physical systems. Before fault-tolerant quantum …

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 error mitigated classical shadows

H Jnane, J Steinberg, Z Cai, HC Nguyen, B Koczor - PRX Quantum, 2024 - APS
Classical shadows enable us to learn many properties of a quantum state ρ with very few
measurements. However, near-term and early fault-tolerant quantum computers will only be …

Quasiprobabilities in quantum thermodynamics and many-body systems

S Gherardini, G De Chiara - PRX Quantum, 2024 - APS
In this tutorial, we present the definition, interpretation, and properties of some of the main
quasiprobabilities that can describe the statistics of measurement outcomes evaluated at …

[PDF][PDF] Early fault-tolerant quantum computing

A Katabarwa, K Gratsea, A Caesura, PD Johnson - PRX Quantum, 2024 - APS
In recent years, research in quantum computing has largely focused on two approaches:
near-term intermediate-scale quantum (NISQ) computing and future fault-tolerant quantum …

Noise-assisted digital quantum simulation of open systems using partial probabilistic error cancellation

JD Guimarães, J Lim, MI Vasilevskiy, SF Huelga… - PRX Quantum, 2023 - APS
Quantum systems are inherently open and susceptible to environmental noise, which can
have both detrimental and beneficial effects on their dynamics. This phenomenon has been …