Symmetry restoration and quantum Mpemba effect in symmetric random circuits

S Liu, HK Zhang, S Yin, SX Zhang - Physical Review Letters, 2024 - APS
Entanglement asymmetry, which serves as a diagnostic tool for symmetry breaking and a
proxy for thermalization, has recently been proposed and studied in the context of symmetry …

Understanding quantum machine learning also requires rethinking generalization

E Gil-Fuster, J Eisert, C Bravo-Prieto - Nature Communications, 2024 - nature.com
Quantum machine learning models have shown successful generalization performance
even when trained with few data. In this work, through systematic randomization …

Absence of barren plateaus in finite local-depth circuits with long-range entanglement

HK Zhang, S Liu, SX Zhang - Physical Review Letters, 2024 - APS
Ground state preparation is classically intractable for general Hamiltonians. On quantum
devices, shallow parametrized circuits can be effectively trained to obtain short-range …

Learning quantum states and unitaries of bounded gate complexity

H Zhao, L Lewis, I Kannan, Y Quek, HY Huang… - PRX Quantum, 2024 - APS
While quantum state tomography is notoriously hard, most states hold little interest to
practically minded tomographers. Given that states and unitaries appearing in nature are of …

[PDF][PDF] Benchmarking quantum computer simulation software packages: state vector simulators

A Jamadagni, AM Läuchli, C Hempel - arxiv preprint Ar**v:2401.09076, 2024 - scipost.org
Rapid advances in quantum computing technology lead to an increasing need for software
simulators that enable both algorithm design and the validation of results obtained from …

Generative quantum machine learning via denoising diffusion probabilistic models

B Zhang, P Xu, X Chen, Q Zhuang - Physical Review Letters, 2024 - APS
Deep generative models are key-enabling technology to computer vision, text generation,
and large language models. Denoising diffusion probabilistic models (DDPMs) have …

Training-free quantum architecture search

Z He, M Deng, S Zheng, L Li, H Situ - Proceedings of the AAAI …, 2024 - ojs.aaai.org
Variational quantum algorithm (VQA) derives advantages from its error resilience and high
flexibility in quantum resource requirements, rendering it broadly applicable in the noisy …

Variational quantum simulation of lindblad dynamics via quantum state diffusion

J Luo, K Lin, X Gao - The Journal of Physical Chemistry Letters, 2024 - ACS Publications
Quantum simulation of dynamics in open quantum systems is crucial but poses a significant
challenge due to the non-Hermitian nature leading to nonunitary evolution and the limited …

Quantum algorithms for scientific computing

R Au-Yeung, B Camino, O Rathore… - Reports on Progress in …, 2024 - iopscience.iop.org
Quantum computing promises to provide the next step up in computational power for diverse
application areas. In this review, we examine the science behind the quantum hype, and the …

Trainability enhancement of parameterized quantum circuits via reduced-domain parameter initialization

Y Wang, B Qi, C Ferrie, D Dong - Physical Review Applied, 2024 - APS
Parameterized quantum circuits (PQCs) have been widely used as a machine learning
model to explore the potential of achieving quantum advantages for various tasks. However …