Logical quantum processor based on reconfigurable atom arrays
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …
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
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 …
implemented circuits that exceed the capabilities of exact classical simulation. We show that …
Benchmarking quantum processor performance at scale
As quantum processors grow, new performance benchmarks are required to capture the full
quality of the devices at scale. While quantum volume is an excellent benchmark, it focuses …
quality of the devices at scale. While quantum volume is an excellent benchmark, it focuses …
Optimizing quantum gates towards the scale of logical qubits
A foundational assumption of quantum error correction theory is that quantum gates can be
scaled to large processors without exceeding the error-threshold for fault tolerance. Two …
scaled to large processors without exceeding the error-threshold for fault tolerance. Two …
The quantum house of cards
X Waintal - Proceedings of the National Academy of …, 2024 - National Acad Sciences
Quantum computers have been proposed to solve a number of important problems such as
discovering new drugs, new catalysts for fertilizer production, breaking encryption protocols …
discovering new drugs, new catalysts for fertilizer production, breaking encryption protocols …
A sharp phase transition in linear cross-entropy benchmarking
Demonstrations of quantum computational advantage and benchmarks of quantum
processors via quantum random circuit sampling are based on evaluating the linear cross …
processors via quantum random circuit sampling are based on evaluating the linear cross …
Verifiable measurement-based quantum random sampling with trapped ions
M Ringbauer, M Hinsche, T Feldker… - arXiv preprint arXiv …, 2023 - arxiv.org
Quantum computers are now on the brink of outperforming their classical counterparts. One
way to demonstrate the advantage of quantum computation is through quantum random …
way to demonstrate the advantage of quantum computation is through quantum random …
Quantum Chebyshev Transform: Mapping, Embedding, Learning and Sampling Distributions
CA Williams, AE Paine, HY Wu, VE Elfving… - arXiv preprint arXiv …, 2023 - arxiv.org
We develop a paradigm for building quantum models in the orthonormal space of
Chebyshev polynomials. We show how to encode data into quantum states with amplitudes …
Chebyshev polynomials. We show how to encode data into quantum states with amplitudes …
Thermalization and Criticality on an Analog-Digital Quantum Simulator
Understanding how interacting particles approach thermal equilibrium is a major challenge
of quantum simulators. Unlocking the full potential of such systems toward this goal requires …
of quantum simulators. Unlocking the full potential of such systems toward this goal requires …
Leapfrogging Sycamore: Harnessing 1432 GPUs for 7 Faster Quantum Random Circuit Sampling
Random quantum circuit sampling serves as a benchmark to demonstrate quantum
computational advantage. Recent progress in classical algorithms, especially those based …
computational advantage. Recent progress in classical algorithms, especially those based …