Quantum Brain

Papers

452 papers found

Dual-Qubit Hierarchical Fuzzy Neural Network for Image Classification: Enabling Relational Learning via Quantum Entanglement

Wenwei Zhang, Jintao Wang, Tianyu Ye +1 more·Dec 15, 2025

Classical deep neural network models struggle to represent data uncertainty and capture dependencies between features simultaneously, especially under fuzzy or noisy conditions. Although a quantum-assisted hierarchical fuzzy neural network (QA-HFNN) ...

Quantum Physics

Investigation of a Bit-Sequence Reconciliation Protocol Based on Neural TPM Networks in Secure Quantum Communications

Matvey Yorkhov, Vladimir Faerman, Anton Konev·Dec 15, 2025

The article discusses a key reconciliation protocol for quantum key distribution (QKD) systems based on Tree Parity Machines (TPM). The idea of transforming key material into neural network weights is presented. Two experiments were conducted to stud...

Quantum PhysicsCryptography

A Joint Quantum Computing, Neural Network and Embedding Theory Approach for the Derivation of the Universal Functional

Martin J. Uttendorfer, Daniel Barragan-Yani, Matthias Sperl +1 more·Dec 15, 2025

We introduce a novel approach that exploits the intersection of quantum computing, machine learning and reduced density matrix functional theory to leverage the potential of quantum computing to improve simulations of interacting quantum particles. O...

Quantum Physicsphysics.comp-ph

Neural quantum states for entanglement depth certification from randomized Pauli measurements

Marcin Płodzień·Dec 15, 2025

Entanglement depth quantifies how many qubits share genuine multipartite entanglement, but certification typically relies on tailored witnesses or full tomography, both of which scale poorly with system size. We recast entanglement-depth and non-$k$-...

Quantum Physicscond-mat.dis-nn

A Spatio-Temporal Hybrid Quantum-Classical Graph Convolutional Neural Network Approach for Urban Taxi Destination Prediction

Xiuying Zhang, Qinsheng Zhu, Xiaodong Xing·Dec 15, 2025

We propose a Hybrid Spatio-Temporal Quantum Graph Convolutional Network (H-STQGCN) algorithm by combining the strengths of quantum computing and classical deep learning to predict the taxi destination within urban road networks. Our algorithm consist...

Quantum PhysicsAI

Practical Hybrid Quantum Language Models with Observable Readout on Real Hardware

Stefan Balauca, Ada-Astrid Balauca, Adrian Iftene·Dec 14, 2025

Hybrid quantum-classical models represent a crucial step toward leveraging near-term quantum devices for sequential data processing. We present Quantum Recurrent Neural Networks (QRNNs) and Quantum Convolutional Neural Networks (QCNNs) as hybrid quan...

Quantum Physicscs.LG

Quantum Implicit Neural Representations for 3D Scene Reconstruction and Novel View Synthesis

Yeray Cordero, Paula García-Molina, Fernando Vilariño·Dec 14, 2025

Implicit neural representations (INRs) have become a powerful paradigm for continuous signal modeling and 3D scene reconstruction, yet classical networks suffer from a well-known spectral bias that limits their ability to capture high-frequency detai...

Quantum PhysicsAIcs.CV

A Comparative Study of Encoding Strategies for Quantum Convolutional Neural Networks

Xingyun Feng·Dec 14, 2025

Quantum convolutional neural networks (QCNNs) offer a promising architecture for near-term quantum machine learning by combining hierarchical feature extraction with modest parameter growth. However, any QCNN operating on classical data must rely on ...

Quantum Physics

Learning Dynamics in Memristor-Based Equilibrium Propagation

Michael Döll, Andreas Müller, Bernd Ulmann·Dec 13, 2025

Memristor-based in-memory computing has emerged as a promising paradigm to overcome the constraints of the von Neumann bottleneck and the memory wall by enabling fully parallelisable and energy-efficient vector-matrix multiplications. We investigate ...

cs.LGEmerging TechNeural Computing

Learning Minimal Representations of Fermionic Ground States

Felix Frohnert, Emiel Koridon, Stefano Polla·Dec 12, 2025

We introduce an unsupervised machine-learning framework that discovers optimally compressed representations of quantum many-body ground states. Using an autoencoder neural network architecture on data from $L$-site Fermi-Hubbard models, we identify m...

Quantum Physicscond-mat.str-elcs.LG

Basis dependence of Neural Quantum States for the Transverse Field Ising Model

Ronald Santiago Cortes, Aravindh S. Shankar, Marcello Dalmonte +2 more·Dec 12, 2025

Neural Quantum States (NQS) are powerful tools used to represent complex quantum many-body states in an increasingly wide range of applications. However, despite their popularity, at present only a rudimentary understanding of their limitations exist...

Quantum Physicscond-mat.stat-mech

FRQI Pairs method for image classification using Quantum Recurrent Neural Network

Rafał Potempa, Michał Kordasz, Sundas Naqeeb Khan +4 more·Dec 12, 2025

This study aims to introduce the FRQI Pairs method to a wider audience, a novel approach to image classification using Quantum Recurrent Neural Networks (QRNN) with Flexible Representation for Quantum Images (FRQI). The study highlights an innovative...

Quantum Physicscs.LG

Electronic crystals and quasicrystals in semiconductor quantum wells: an AI-powered discovery

Filippo Gaggioli, Pierre-Antoine Graham, Liang Fu·Dec 11, 2025

The homogeneous electron gas is a cornerstone of quantum condensed matter physics, providing the foundation for developing density functional theory and understanding electronic phases in semiconductors. However, theoretical understanding of strongly...

cond-mat.str-elMesoscale PhysicsQuantum Physics

Generative Adversarial Variational Quantum Kolmogorov-Arnold Network

Hikaru Wakaura·Dec 11, 2025

Kolmogorov Arnold Networks is a novel multilayer neuromorphic network that can exhibit higher accuracy than a neural network. It can learn and predict more accurately than neural networks with a smaller number of parameters, and many research groups ...

Quantum Physics

Graph-Based Bayesian Optimization for Quantum Circuit Architecture Search with Uncertainty Calibrated Surrogates

Prashant Kumar Choudhary, Nouhaila Innan, Muhammad Shafique +1 more·Dec 10, 2025

Quantum circuit design is a key bottleneck for practical quantum machine learning on complex, real-world data. We present an automated framework that discovers and refines variational quantum circuits (VQCs) using graph-based Bayesian optimization wi...

Quantum PhysicsAIcs.LGNeural Computing

LiePrune: Lie Group and Quantum Geometric Dual Representation for One-Shot Structured Pruning of Quantum Neural Networks

Haijian Shao, Bowen Yang, Wei Liu +2 more·Dec 10, 2025

Quantum neural networks (QNNs) and parameterized quantum circuits (PQCs) are key building blocks for near-term quantum machine learning. However, their scalability is constrained by excessive parameters, barren plateaus, and hardware limitations. We ...

Quantum Physicscs.CV

Enhanced Squeezing and Faster Metrology from Layered Quantum Neural Networks

Nickholas Gutierrez, Rodrigo Araiza Bravo, Susanne Yelin·Dec 9, 2025

Spin squeezing is a powerful resource for quantum metrology, and recent hardware platforms based on interacting qubits provide multiple possible architectures to generate and reverse squeezing during a sensing protocol. In this work, we compare the s...

Quantum Physics

Optimizing the dynamical preparation of quantum spin lakes on the ruby lattice

DinhDuy Vu, Dominik S. Kufel, Jack Kemp +3 more·Dec 9, 2025

Quantum spin liquids are elusive long-range entangled states. Motivated by experiments in Rydberg quantum simulators, recent excitement has centered on the possibility of dynamically preparing a state with quantum spin liquid correlation even when th...

Quantum Physicscond-mat.dis-nn

Persistent coherent quantum dynamics in 2D long-range magnets via magnon binding

Vighnesh Dattatraya Naik, Markus Heyl·Dec 9, 2025

The dynamics of 2D long-range quantum magnets represents a current frontier in experimental physics such as in Rydberg atomic systems or trapped ions. In this work we address theoretical challenges in understanding these dynamics by combining large-s...

Quantum Physicscond-mat.stat-mech

SAQ: Stabilizer-Aware Quantum Error Correction Decoder

David Zenati, Eliya Nachmani·Dec 9, 2025

Quantum Error Correction (QEC) decoding faces a fundamental accuracy-efficiency tradeoff. Classical methods like Minimum Weight Perfect Matching (MWPM) exhibit variable performance across noise models and suffer from polynomial complexity, while tens...

Quantum PhysicsAI
Quantum Intelligence

Ask about quantum research, companies, or market developments.