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 …

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 …

Long-range data transmission in a fault-tolerant quantum bus architecture

SH Choe, R König - npj Quantum Information, 2024 - nature.com
We propose a fault-tolerant scheme for generating long-range entanglement at the ends of a
rectangular array of qubits of length R with a square cross-section of m= O (log 2 R) qubits. It …

Unconditionally separating noisy from bounded polynomial threshold circuits of constant depth

MH Hsieh, L Mendes, M de Oliveira… - arXiv preprint arXiv …, 2024 - arxiv.org
We study classes of constant-depth circuits with gates that compute restricted polynomial
threshold functions, recently introduced by [Kum23] as a family that strictly generalizes …

Efficient construction of quantum physical unclonable functions with unitary t-designs

N Kumar, R Mezher, E Kashefi - arXiv preprint arXiv:2101.05692, 2021 - arxiv.org
Quantum physical unclonable functions, or QPUFs, are rapidly emerging as theoretical
hardware solutions to provide secure cryptographic functionalities such as key-exchange …

Fault-tolerant compiling of classically hard IQP circuits on hypercubes

D Hangleiter, M Kalinowski, D Bluvstein, M Cain… - arXiv preprint arXiv …, 2024 - arxiv.org
Realizing computationally complex quantum circuits in the presence of noise and
imperfections is a challenging task. While fault-tolerant quantum computing provides a route …

Quantum computational advantage with constant-temperature Gibbs sampling

T Bergamaschi, CF Chen, Y Liu - arXiv preprint arXiv:2404.14639, 2024 - arxiv.org
A quantum system coupled to a bath at some fixed, finite temperature converges to its Gibbs
state. This thermalization process defines a natural, physically-motivated model of quantum …

Robust sparse IQP sampling in constant depth

L Paletta, A Leverrier, A Sarlette, M Mirrahimi… - Quantum, 2024 - quantum-journal.org
Between NISQ (noisy intermediate scale quantum) approaches without any proof of robust
quantum advantage and fully fault-tolerant quantum computation, we propose a scheme to …

Shallow Quantum Circuits: Algorithms, Complexity, and Fault Tolerance

Y Liu - 2024 - search.proquest.com
A fundamental goal of quantum computing is to demonstrate computational advantage over
classical computers. Shallow quantum circuits play a central role in this effort as the field …

[引用][C] Quantum-Classical Gaps and Quantum Shallow Circuits

M Fox - 2022