[HTML][HTML] 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 …

Fast and converged classical simulations of evidence for the utility of quantum computing before fault tolerance

T Begušić, J Gray, GKL Chan - Science Advances, 2024 - science.org
A recent quantum simulation of observables of the kicked Ising model on 127 qubits
implemented circuits that exceed the capabilities of exact classical simulation. We show that …

Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments

K Kechedzhi, SV Isakov, S Mandrà, B Villalonga… - Future Generation …, 2024 - Elsevier
Today's experimental noisy quantum processors can compete with and surpass all known
algorithms on state-of-the-art supercomputers for the computational benchmark task of …

NISQ computers: a path to quantum supremacy

M AbuGhanem, H Eleuch - IEEE Access, 2024 - ieeexplore.ieee.org
The quest for quantum advantage, wherein quantum computers surpass the computational
capabilities of classical computers executing state-of-the-art algorithms on well-defined …

[HTML][HTML] Benchmarking highly entangled states on a 60-atom analogue quantum simulator

AL Shaw, Z Chen, J Choi, DK Mark, P Scholl… - Nature, 2024 - nature.com
Quantum systems have entered a competitive regime in which classical computers must
make approximations to represent highly entangled quantum states,. However, in this …

Quantum computing of fluid dynamics using the hydrodynamic Schrödinger equation

Z Meng, Y Yang - Physical Review Research, 2023 - APS
Simulating fluid dynamics on a quantum computer is intrinsically difficult due to the nonlinear
and non-Hamiltonian nature of the Navier-Stokes equation (NSE). We propose a framework …

A comprehensive survey on quantum computer usage: How many qubits are employed for what purposes?

T Ichikawa, H Hakoshima, K Inui, K Ito… - arXiv preprint arXiv …, 2023 - arxiv.org
Quantum computers (QCs), which work based on the law of quantum mechanics, are
expected to be faster than classical computers in several computational tasks such as prime …

[HTML][HTML] Group-theoretic error mitigation enabled by classical shadows and symmetries

A Zhao, A Miyake - npj Quantum Information, 2024 - nature.com
Estimating expectation values is a key subroutine in quantum algorithms. Near-term
implementations face two major challenges: a limited number of samples required to learn a …

Bell sampling from quantum circuits

D Hangleiter, MJ Gullans - Physical Review Letters, 2024 - APS
A central challenge in the verification of quantum computers is benchmarking their
performance as a whole and demonstrating their computational capabilities. In this Letter …

Effect of Nonunital Noise on Random-Circuit Sampling

B Fefferman, S Ghosh, M Gullans, K Kuroiwa… - PRX Quantum, 2024 - APS
In this work, drawing inspiration from the type of noise present in real hardware, we study the
output distribution of random quantum circuits under practical nonunital noise sources with …