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 …

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 …

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 …

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 …

Random unitaries in extremely low depth

T Schuster, J Haferkamp, HY Huang - arxiv preprint arxiv:2407.07754, 2024 - arxiv.org
We prove that random quantum circuits on any geometry, including a 1D line, can form
approximate unitary designs over $ n $ qubits in $\log n $ depth. In a similar manner, we …

Nishimori transition across the error threshold for constant-depth quantum circuits

EH Chen, GY Zhu, R Verresen, A Seif, E Bäumer… - Nature Physics, 2024 - nature.com
Quantum computing involves the preparation of entangled states across many qubits. This
requires efficient preparation protocols that are stable to noise and gate imperfections. Here …

Information processing at the speed of light

M AbuGhanem - Frontiers of Optoelectronics, 2024 - Springer
In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

Classical algorithm for simulating experimental Gaussian boson sampling

C Oh, M Liu, Y Alexeev, B Fefferman, L Jiang - Nature Physics, 2024 - nature.com
Gaussian boson sampling is a form of non-universal quantum computing that has been
considered a promising candidate for showing experimental quantum advantage. While …

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 …