Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

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26,835

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452

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12,429 papers in 12 months (-19% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,331 papers found

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

Operator Lanczos Approach enabling Neural Quantum States as Real-Frequency Impurity Solvers

Jonas B. Rigo, Markus Schmitt·Dec 9, 2025

To understand the intricate exchange between electrons of different bands in strongly correlated materials, it is essential to treat multi-orbital models accurately. For this purpose, dynamical mean-field theory (DMFT) provides an established framewo...

cond-mat.str-elQuantum Physics

Pulse Shape Discrimination for Germanium Detectors using Variational Quantum Circuits

F. Napolitano·Dec 9, 2025

Pulse shape discrimination (PSD) is a critical component in background rejection for neutrinoless double-beta decay and dark matter searches using Broad Energy Germanium (BEGe) detectors. To date, advanced discrimination has relied on Deep Learning a...

Physics

LUNA: LUT-Based Neural Architecture for Fast and Low-Cost Qubit Readout

M. A. Farooq, G. Di Guglielmo, A. Rajagopala +3 more·Dec 8, 2025

Qubit readout is a critical operation in quantum computing systems, which maps the analog response of qubits into discrete classical states. Deep neural networks (DNNs) have recently emerged as a promising solution to improve readout accuracy . Prior...

Quantum Physicscs.LG

Trapped Fermions Through Kolmogorov-Arnold Wavefunctions

Paulo F. Bedaque, Jacob Cigliano, Hersh Kumar +2 more·Dec 8, 2025

We investigate a variational Monte Carlo framework for trapped one-dimensional mixture of spin-$\frac{1}{2}$ fermions using Kolmogorov-Arnold networks (KANs) to construct universal neural-network wavefunction ansätze. The method can, in principle, ac...

nucl-thcond-mat.dis-nncond-mat.quant-gasphysics.comp-ph

A scalable and real-time neural decoder for topological quantum codes

Andrew W. Senior, Thomas Edlich, Francisco J. H. Heras +21 more·Dec 8, 2025

Fault-tolerant quantum computing will require error rates far below those achievable with physical qubits. Quantum error correction (QEC) bridges this gap, but depends on decoders being simultaneously fast, accurate, and scalable. This combination of...

Quantum Physicscs.LG

Quantum Temporal Convolutional Neural Networks for Cross-Sectional Equity Return Prediction: A Comparative Benchmark Study

Chi-Sheng Chen, Xinyu Zhang, En-Jui Kuo +3 more·Dec 7, 2025

Quantum machine learning offers a promising pathway for enhancing stock market prediction, particularly under complex, noisy, and highly dynamic financial environments. However, many classical forecasting models struggle with noisy input, regime shif...

cs.LGQuantum Physics

PERM EQ x GRAPH EQ: Equivariant Neural Networks for Quantum Molecular Learning

Saumya Biswas, Jiten Oswal·Dec 5, 2025

In hierarchal order of molecular geometry, we compare the performances of Geometric Quantum Machine Learning models. Two molecular datasets are considered: the simplistic linear shaped LiH-molecule and the trigonal pyramidal molecule NH3. Both accura...

cs.LGAIQuantum Physics

Bridging quantum and classical computing for partial differential equations through multifidelity machine learning

Bruno Jacob, Amanda A. Howard, Panos Stinis·Dec 4, 2025

Quantum algorithms for partial differential equations (PDEs) face severe practical constraints on near-term hardware: limited qubit counts restrict spatial resolution to coarse grids, while circuit depth limitations prevent accurate long-time integra...

cs.LGQuantum Physics

Hardware-inspired Continuous Variables Quantum Optical Neural Networks

Todor Krasimirov-Ivanov, Alba Cervera-Lierta, Paolo Stornati +1 more·Dec 4, 2025

Continuous-variables (CV) quantum optics is a natural formalism for neural networks (NNs) due to its ability to reproduce the information processing of such trainable interconnected systems. In quantum optics, Gaussian operators induce affine mapping...

Quantum Physics
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