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 …

A polynomial-time classical algorithm for noisy quantum circuits

T Schuster, C Yin, X Gao, NY Yao - arXiv preprint arXiv:2407.12768, 2024 - arxiv.org
We provide a polynomial-time classical algorithm for noisy quantum circuits. The algorithm
computes the expectation value of any observable for any circuit, with a small average error …

[HTML][HTML] Scaling whole-chip QAOA for higher-order Ising spin glass models on heavy-hex graphs

E Pelofske, A Bärtschi, L Cincio, J Golden… - npj Quantum …, 2024 - nature.com
We show that the quantum approximate optimization algorithm (QAOA) for higher-order,
random coefficient, heavy-hex compatible spin glass Ising models has strong parameter …

Tensor-network decoding beyond 2d

C Piveteau, CT Chubb, JM Renes - PRX Quantum, 2024 - APS
Decoding algorithms based on approximate tensor-network (TN) contraction have proven
tremendously successful in decoding two-dimensional (2D) local quantum codes such as …

Classically estimating observables of noiseless quantum circuits

A Angrisani, A Schmidhuber, MS Rudolph… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a classical algorithm for estimating expectation values of arbitrary observables
on most quantum circuits across all circuit architectures and depths, including those with all …

Assessing the benefits and risks of quantum computers

TL Scholten, CJ Williams, D Moody, M Mosca… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum computing is an emerging technology with potentially far-reaching implications for
national prosperity and security. Understanding the timeframes over which economic …

A Review on Smart Healthcare employing Quantum Internet of Things

K Sutradhar, R Venkatesh… - IEEE Engineering …, 2024 - ieeexplore.ieee.org
The Quantum Internet of Things (QIoT) in the healthcare industry holds the promise of
transforming patient care, diagnostics, and medical research. Quantum-enhanced sensors …

Combining matrix product states and noisy quantum computers for quantum simulation

B Anselme Martin, T Ayral, F Jamet, MJ Rančić… - Physical Review A, 2024 - APS
Matrix product states (MPSs) and matrix product operators (MPOs) have been proven to be a
powerful tool to study quantum many-body systems but are restricted to moderately …

Survey on Computational Applications of Tensor-Network Simulations

MD García, AM Romero - IEEE Access, 2024 - ieeexplore.ieee.org
Tensor networks are a popular and computationally efficient approach to simulate general
quantum systems on classical computers and, in a broader sense, a framework for dealing …

Quantum-inspired clustering with light

M Varga, P Bermejo, R Pellicer-Guridi, R Orús… - Scientific Reports, 2024 - nature.com
This article introduces a novel approach to perform the simulation of a single qubit quantum-
inspired algorithm using laser beams. Leveraging the polarization states of photonic qubits …