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 …
advantage of quantum computers over classical computers. Recently the first large-scale …
Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments
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 …
algorithms on state-of-the-art supercomputers for the computational benchmark task of …
Phase transition in random circuit sampling
Undesired coupling to the surrounding environment destroys long-range correlations on
quantum processors and hinders the coherent evolution in the nominally available …
quantum processors and hinders the coherent evolution in the nominally available …
A polynomial-time classical algorithm for noisy random circuit sampling
We give a polynomial time classical algorithm for sampling from the output distribution of a
noisy random quantum circuit in the regime of anti-concentration to within inverse …
noisy random quantum circuit in the regime of anti-concentration to within inverse …
Limitations of linear cross-entropy as a measure for quantum advantage
Demonstrating quantum advantage requires experimental implementation of a
computational task that is hard to achieve using state-of-the-art classical systems. One …
computational task that is hard to achieve using state-of-the-art classical systems. One …
Quantum computational advantage via high-dimensional Gaussian boson sampling
Photonics is a promising platform for demonstrating a quantum computational advantage
(QCA) by outperforming the most powerful classical supercomputers on a well-defined …
(QCA) by outperforming the most powerful classical supercomputers on a well-defined …
The hardness of random quantum circuits
R Movassagh - Nature Physics, 2023 - nature.com
As Moore's law reaches its limits, quantum computers are emerging that hold promise to
dramatically outperform classical computers. It is now possible to build quantum processors …
dramatically outperform classical computers. It is now possible to build quantum processors …
Efficient classical simulation of random shallow 2D quantum circuits
A central question of quantum computing is determining the source of the advantage of
quantum computation over classical computation. Even though simulating quantum …
quantum computation over classical computation. Even though simulating quantum …
Random quantum circuits transform local noise into global white noise
We study the distribution over measurement outcomes of noisy random quantum circuits in
the regime of low fidelity, which corresponds to the setting where the computation …
the regime of low fidelity, which corresponds to the setting where the computation …
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 …
performance as a whole and demonstrating their computational capabilities. In this Letter …