Computational advantage of quantum random sampling

D Hangleiter, J Eisert - Reviews of Modern Physics, 2023 - APS
Quantum random sampling is the leading proposal for demonstrating a computational
advantage of quantum computers over classical computers. Recently the first large-scale …

Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation

HL Huang, XY Xu, C Guo, G Tian, SJ Wei… - Science China Physics …, 2023 - Springer
Quantum computing is a game-changing technology for global academia, research centers
and industries including computational science, mathematics, finance, pharmaceutical …

Quantum supremacy using a programmable superconducting processor

F Arute, K Arya, R Babbush, D Bacon, JC Bardin… - Nature, 2019 - nature.com
The promise of quantum computers is that certain computational tasks might be executed
exponentially faster on a quantum processor than on a classical processor 1. A fundamental …

Leveraging secondary storage to simulate deep 54-qubit sycamore circuits

E Pednault, JA Gunnels, G Nannicini, L Horesh… - arxiv preprint arxiv …, 2019 - arxiv.org
In a recent paper, we showed that secondary storage can extend the range of quantum
circuits that can be practically simulated with classical algorithms. Here we refine those …

Establishing the quantum supremacy frontier with a 281 pflop/s simulation

B Villalonga, D Lyakh, S Boixo, H Neven… - Quantum Science …, 2020 - iopscience.iop.org
Noisy intermediate-scale quantum (NISQ) computers are entering an era in which they can
perform computational tasks beyond the capabilities of the most powerful classical …

A flexible high-performance simulator for verifying and benchmarking quantum circuits implemented on real hardware

B Villalonga, S Boixo, B Nelson, C Henze… - npj Quantum …, 2019 - nature.com
Here we present qFlex, a flexible tensor network-based quantum circuit simulator. qFlex can
compute both the exact amplitudes, essential for the verification of the quantum hardware …

Efficient approximation of experimental Gaussian boson sampling

B Villalonga, MY Niu, L Li, H Neven, JC Platt… - arxiv preprint arxiv …, 2021 - arxiv.org
Two recent landmark experiments have performed Gaussian boson sampling (GBS) with a
non-programmable linear interferometer and threshold detectors on up to 144 output modes …

General-purpose quantum circuit simulator with projected entangled-pair states and the quantum supremacy frontier

C Guo, Y Liu, M **ong, S Xue, X Fu, A Huang, X Qiang… - Physical review …, 2019 - APS
Recent advances on quantum computing hardware have pushed quantum computing to the
verge of quantum supremacy. Here, we bring together many-body quantum physics and …

Quantum supremacy circuit simulation on Sunway TaihuLight

R Li, B Wu, M Ying, X Sun… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
With the rapid progress made by industry and academia, quantum computers with dozens of
qubits or even larger size are being realized. However, the fidelity of existing quantum …

Variational quantum circuits for quantum state tomography

Y Liu, D Wang, S Xue, A Huang, X Fu, X Qiang, P Xu… - Physical Review A, 2020 - APS
Quantum state tomography is a key process in most quantum experiments. In this work, we
employ quantum machine learning for state tomography. Given an unknown quantum state …