Papers

452 papers found

Quantum-Circuit Framework for Two-Stage Stochastic Programming via QAOA Integrated with a Quantum Generative Neural Network

Taihei Kuroiwa, Daiki Yamazaki, Keita Takahashi +3 more·Dec 27, 2025

Two-stage stochastic programming often discretizes uncertainty into scenarios, but scenario enumeration makes expected recourse evaluation scale at least linearly in the scenario count. We propose qGAN-QAOA, a unified quantum-circuit workflow in whic...

Quantum Physics

AI-Accelerated Qubit Readout at the Single-Photon Level for Scalable Atomic Quantum Processors

Yaoting Zhou, Weisen Wang, Zhuangzhuang Tian +6 more·Dec 24, 2025

Quantum state readout with minimal resources is crucial for scalable quantum information processing. As a leading platform, neutral atom arrays rely on atomic fluorescence imaging for qubit readout, requiring short exposure, low photon count schemes ...

Quantum PhysicsAtomic Physics

Regression of Functions by Quantum Neural Networks Circuits

Fernando M. de Paula Neto, Lucas dos Reis Silva, Paulo S. G. de Mattos Neto +1 more·Dec 23, 2025

The performance of quantum neural network models depends strongly on architectural decisions, including circuit depth, placement of parametrized operations, and data-encoding strategies. Selecting an effective architecture is challenging and closely ...

Quantum PhysicsAI

QuSquare: Scalable Quality-Oriented Benchmark Suite for Pre-Fault-Tolerant Quantum Devices

David Aguirre, Rubén Peña, Mikel Sanz·Dec 22, 2025

As quantum technologies continue to advance, the proliferation of hardware architectures with diverse capabilities and limitations has underscored the importance of benchmarking as a tool to compare performance across platforms. Achieving fair, scala...

Quantum Physics

Image Denoising via Quantum Reservoir Computing

Soumyadip Das, Luke Antoncich, Jingbo B. Wang·Dec 21, 2025

Quantum Reservoir Computing (QRC) leverages the natural dynamics of quantum systems for information processing, without requiring a fault-tolerant quantum computer. In this work, we apply QRC within a hybrid quantum classical framework for image deno...

Quantum Physics

Exploring polymer classification with a hybrid single-photon quantum approach

Alexandrina Stoyanova, Bogdan Penkovsky·Dec 19, 2025

Polymers exhibit complex architectures and diverse properties that place them at the center of contemporary research in chemistry and materials science. As conventional computational techniques, even multi-scale ones, struggle to capture this complex...

Quantum Physicscs.LG

Exploring the Effect of Basis Rotation on NQS Performance

Sven Benjamin Kožić, Vinko Zlatić, Fabio Franchini +1 more·Dec 19, 2025

Neural Quantum States (NQS) use neural networks to represent wavefunctions of quantum many-body systems, but their performance depends on the choice of basis, yet the underlying mechanism remains poorly understood. We use a fully solvable one-dimensi...

Quantum PhysicsAI

Optimizing Quantum Data Embeddings for Ligand-Based Virtual Screening

Junggu Choi, Tak Hur, Seokhoon Jeong +5 more·Dec 18, 2025

Effective molecular representations are essential for ligand-based virtual screening. We investigate how quantum data embedding strategies can improve this task by developing and evaluating a family of quantum-classical hybrid embedding approaches. T...

Quantum Physics

Q-RUN: Quantum-Inspired Data Re-uploading Networks

Wenbo Qiao, Shuaixian Wang, Peng Zhang +2 more·Dec 18, 2025

Data re-uploading quantum circuits (DRQC) are a key approach to implementing quantum neural networks and have been shown to outperform classical neural networks in fitting high-frequency functions. However, their practical application is limited by t...

cs.LGQuantum Physics

Optical coprocessor based on spontaneous Brillouin scattering

I. V. Vovchenko, A. A. Zyablovsky, A. A. Pukhov +1 more·Dec 17, 2025

Analog coprocessors for neural networks are an intensively developing field. They provide approximate results of computations for relatively low energy cost and at high speed. We show that a set of ring resonators with Brillouin interaction between p...

physics.opticsQuantum Physics

Low-Latency FPGA Control System for Real-Time Neural Network Processing in CCD-Based Trapped-Ion Qubit Measurement

Binglei Lou, Gautham Duddi Krishnaswaroop, Filip Wojcicki +5 more·Dec 17, 2025

Accurate and low-latency qubit state measurement is critical for trapped-ion quantum computing. While deep neural networks (DNNs) have been integrated to enhance detection fidelity, their latency performance on specific hardware platforms remains und...

Quantum Physicscs.AR

Photonics-Enhanced Graph Convolutional Networks

Yuan Wang, Oleksandr Kyriienko·Dec 17, 2025

Photonics can offer a hardware-native route for machine learning (ML). However, efficient deployment of photonics-enhanced ML requires hybrid workflows that integrate optical processing with conventional CPU/GPU based neural network architectures. He...

physics.opticscond-mat.dis-nncs.LGQuantum Physics

Geometric Latent Space Tomography with Metric-Preserving Autoencoders

S. M. Yousuf Iqbal Tomal, Abdullah Al Shafin·Dec 16, 2025

Quantum state tomography faces exponential scaling with system size, while recent neural network approaches achieve polynomial scaling at the cost of losing the geometric structure of quantum state space. We introduce geometric latent space tomograph...

Quantum Physics

Fair sampling of ground-state configurations using hybrid quantum-classical MCMC algorithms

Yuichiro Nakano, Keisuke Fujii·Dec 16, 2025

We study the fair sampling properties of hybrid quantum-classical Markov chain Monte Carlo (MCMC) algorithms for combinatorial optimization problems with degenerate ground states. While quantum optimization heuristics such as quantum annealing and th...

Quantum Physics

Physics-Informed Neural Networks with Adaptive Constraints for Multi-Qubit Quantum Tomography

Changchun Feng, Laifa Tao, Lin Chen·Dec 16, 2025

Quantum state tomography (QST) faces exponential measurement requirements and noise sensitivity in multi-qubit systems, bottlenecking practical quantum technologies. We present a physics-informed neural network (PINN) framework integrating quantum me...

Quantum Physics

A Graph-Based Forensic Framework for Inferring Hardware Noise of Cloud Quantum Backend

Subrata Das, Archisman Ghosh, Swaroop Ghosh·Dec 16, 2025

Cloud quantum platforms give users access to many backends with different qubit technologies, coupling layouts, and noise levels. The execution of a circuit, however, depends on internal allocation and routing policies that are not observable to the ...

Quantum PhysicsEmerging Tech

Quantum Machine Learning for Climate Modelling

Mierk Schwabe, Lorenzo Pastori, Valentina Sarandrea +1 more·Dec 16, 2025

Quantum machine learning (QML) is making rapid progress, and QML-based models hold the promise of quantum advantages such as potentially higher expressivity and generalizability than their classical counterparts. Here, we present work on using a quan...

Quantum Physicsphysics.ao-ph

Towards Explainable Quantum AI: Informing the Encoder Selection of Quantum Neural Networks via Visualization

Shaolun Ruan, Feng Liang, Rohan Ramakrishna +5 more·Dec 16, 2025

Quantum Neural Networks (QNNs) represent a promising fusion of quantum computing and neural network architectures, offering speed-ups and efficient processing of high-dimensional, entangled data. A crucial component of QNNs is the encoder, which maps...

Quantum PhysicsAIcs.HC

A nonlinear quantum neural network framework for entanglement engineering

Adriano Macarone-Palmieri, Alberto Ferrara, Rosario Lo Franco·Dec 16, 2025

Multipartite entanglement is a crucial resource for quantum technologies; however, its scalable generation in noisy quantum devices remains a significant challenge. Here, we propose a low-depth quantum neural network architecture with linear scaling,...

Quantum Physics

Capturing reduced-order quantum many-body dynamics out of equilibrium via neural ordinary differential equations

Patrick Egenlauf, Iva Březinová, Sabine Andergassen +1 more·Dec 15, 2025

Out-of-equilibrium quantum many-body systems exhibit rapid correlation buildup that underlies many emerging phenomena. Exact wave-function methods to describe this scale exponentially with particle number; simpler mean-field approaches neglect essent...

cs.LGcond-mat.stat-mechQuantum Physics