Quantum Brain

Papers

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

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12,600 papers in 12 months (-14% vs prior quarter)

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Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,340 papers found

Output Prediction of Quantum Circuits based on Graph Neural Networks

Yuxiang Liu, Fanxu Meng, Lu Wang +3 more·Apr 1, 2025

The output prediction of quantum circuits is a formidably challenging task imperative in developing quantum devices. Motivated by the natural graph representation of quantum circuits, this paper proposes a Graph Neural Networks (GNNs)-based framework...

Quantum Physics

Inductive Graph Representation Learning with Quantum Graph Neural Networks

Arthur M. Faria, Ignacio F. Graña, Savvas Varsamopoulos·Mar 31, 2025

Quantum Graph Neural Networks (QGNNs) offer a promising approach to combining quantum computing with graph-structured data processing. While classical Graph Neural Networks (GNNs) are scalable and robust, existing QGNNs often lack flexibility due to ...

Quantum Physicscs.LG

Hamiltonian Dynamics Learning: A Scalable Approach to Quantum Process Characterization

Yusen Wu, Yukun Zhang, Chuan Wang +1 more·Mar 31, 2025

Quantum process characterization is a fundamental task in quantum information processing, yet conventional methods, such as quantum process tomography, require prohibitive resources and lack scalability. Here, we introduce an efficient quantum proces...

Physics

Applications of Hybrid Machine Learning Methods to Large Datasets: A Case Study

Georgios Maragkopoulos, Nikolaos Stefanakos, Aikaterini Mandilara +1 more·Mar 31, 2025

We combine classical and quantum Machine Learning (ML) techniques to effectively analyze long time-series data acquired during experiments. Specifically, we demonstrate that replacing a deep classical neural network with a thoughtfully designed Varia...

Physics

Enhanced Variational Quantum Kolmogorov-Arnold Network

Hikaru Wakaura, Rahmat Mulyawan, Andriyan B. Suksmono·Mar 28, 2025

The Kolmogorov-Arnold Network (KAN) is a novel multi-layer network model recognized for its efficiency in neuromorphic computing, where synapses between neurons are trained linearly. Computations in KAN are performed by generating a polynomial vector...

Quantum Physicsphysics.comp-ph

Variational quantum-neural hybrid imaginary time evolution

H. Kuji, T. Nikuni, Yuta Shingu·Mar 28, 2025

Numerous methodologies have been proposed to implement imaginary time evolution (ITE) on quantum computers. Among these, variational ITE (VITE) methods for noisy intermediate-scale quantum (NISQ) computers have attracted much attention, which uses pa...

Physics

Generative Decoding for Quantum Error-correcting Codes

Han-Yu Cao, Feng Pan, Dongyang Feng +2 more·Mar 27, 2025

Efficient and accurate decoding of quantum error-correcting codes is essential for fault-tolerant quantum computation, however, it is challenging due to the degeneracy of errors, the complex code topology, and the large space for logical operators in...

Physics

Adaptive Variational Quantum Kolmogorov-Arnold Network

Hikaru Wakaura, Rahmat Mulyawan, A. B. Suksmono·Mar 27, 2025

Kolmogorov-Arnold Network (KAN) is a novel multi-layer neuromorphic network. Many groups worldwide have studied this network, including image processing, time series analysis, solving physical problems, and practical applications such as medical use....

Physics

Quantum advantage for learning shallow neural networks with natural data distributions

Laura Lewis, Dar Gilboa, Jarrod R. McClean·Mar 26, 2025

Without large quantum computers to empirically evaluate performance, theoretical frameworks such as the quantum statistical query (QSQ) are a primary tool to study quantum algorithms for learning classical functions and search for quantum advantage i...

Quantum Physicscs.LG

Dataset Distillation for Quantum Neural Networks

Koustubh Phalak, Junde Li, Swaroop Ghosh·Mar 23, 2025

Training Quantum Neural Networks (QNNs) on large amount of classical data can be both time consuming as well as expensive. Higher amount of training data would require higher number of gradient descent steps to reach convergence. This, in turn would ...

Computer SciencePhysics

HiQ-Lip: A Hierarchical Quantum-Classical Method for Global Lipschitz Constant Estimation of ReLU Networks

Haoqi He, Yan Xiao, Wenzhi Xu +3 more·Mar 20, 2025

Estimating the global Lipschitz constant of neural networks is crucial for understanding and improving their robustness and generalization capabilities. However, precise calculations are NP-hard, and current semidefinite programming (SDP) methods fac...

cs.LGAIQuantum Physics

Degenerate mirrorless lasing in thermal vapors

Aneesh Ramaswamy, Dmitry Budker, Simon Rochester +5 more·Mar 18, 2025

Theoretical predictions were made for the steady-state gain of an orthogonally polarized probe field in a degenerate two-level alkali atom system driven by a linearly polarized continuous-wave pump field in [Opt. Mem. Neural Networks 32 (Suppl 3), S4...

Atomic PhysicsQuantum Physics

Data Encoding for VQC in Qiskit, A Comparison With Novel Hybrid Encoding

Hillol Biswas·Mar 18, 2025

If quantum machine learning emulates the ways of classical machine learning, data encoding in a quantum neural network is imperative for many reasons. One of the key ones is the complexity attributed to the data size depending upon the features and t...

Computer SciencePhysics

Quantum physics informed neural networks for multi-variable partial differential equations

Giorgio Panichi, Sebastiano Corli, Enrico Prati·Mar 15, 2025

Quantum Physics-Informed Neural Networks (QPINNs) integrate quantum computing and machine learning to impose physical biases on the output of a quantum neural network, aiming to either solve or discover differential equations. The approach has recent...

PhysicsMathematics

Quantum ensemble learning with a programmable superconducting processor

Jiachen Chen, Yao-Juan Wu, Zhen Yang +30 more·Mar 14, 2025

Quantum machine learning is among the most exciting potential applications of quantum computing. However, the vulnerability of quantum information to environmental noises and the consequent high cost for realizing fault tolerance has impeded the quan...

Physics

Single-qudit quantum neural networks for multiclass classification

Leandro C. Souza, Renato Portugal·Mar 12, 2025

This paper proposes a single-qudit quantum neural network for multiclass classification by using the enhanced representational capacity of high-dimensional qudit states. Our design employs a d-dimensional unitary operator, where d corresponds to the ...

Computer SciencePhysics

QUIET-SR: Quantum Image Enhancement Transformer for Single Image Super-Resolution

Siddhant Dutta, Nouhaila Innan, Khadijeh Najafi +2 more·Mar 11, 2025

Recent advancements in Single-Image Super-Resolution (SISR) using deep learning have significantly improved image restoration quality. However, the high computational cost of processing high-resolution images due to the large number of parameters in ...

Quantum Physicscs.CVeess.IV

RBM-Based Simulated Quantum Annealing for Graph Isomorphism Problems

Yukun Wang, Yingtong Shen, Zhichao Zhang +1 more·Mar 10, 2025

The graph isomorphism problem remains a fundamental challenge in computer science, driving the search for efficient decision algorithms. Due to its ambiguous computational complexity, heuristic approaches such as simulated annealing are frequently us...

Physics

Seismic inversion using hybrid quantum neural networks

Divakar Vashisth, Rohan Sharma, T. Mukerji +1 more·Mar 6, 2025

Seismic inversion-including post-stack, pre-stack, and full waveform inversion is compute and memory-intensive. Recently, several approaches, including physics-informed machine learning, have been developed to address some of these limitations. Motiv...

PhysicsComputer Science

KLiNQ: Knowledge Distillation-Assisted Lightweight Neural Network for Qubit Readout on FPGA

Xiaorang Guo, Tigran Bunarjyan, Dailin Liu +2 more·Mar 5, 2025

Superconducting qubits are among the most promising candidates for building quantum information processors. Yet, they are often limited by slow and error-prone qubit readout-a critical factor in achieving high-fidelity operations. While current metho...

Computer SciencePhysics
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