Quantum Brain

Papers

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

Total Papers

27,548

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1,041

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Research Volume

12,931 papers in 12 months (-5% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,362 papers found

Enhancing the expressivity of quantum neural networks with residual connections

Jingwei Wen, Zhiguo Huang, Dunbo Cai +1 more·Jan 29, 2024

The authors introduce a quantum circuit-based algorithm to implement quantum residual neural networks by incorporating auxiliary qubits in the data-encoding and trainable blocks, which leads to an improved expressivity of parameterized quantum circui...

Physics

Non-parametric Greedy Optimization of Parametric Quantum Circuits

Koustubh Phalak, Swaroop Ghosh·Jan 27, 2024

The use of Quantum Neural Networks (QNN) that are analogous to classical neural networks, has greatly increased in the past decade owing to the growing interest in the field of Quantum Machine Learning (QML). A QNN consists of three major components:...

PhysicsComputer Science

Evaluation of QCNN-LSTM for Disability Forecasting in Multiple Sclerosis Using Sequential Multisequence MRI

John D. Mayfield, I. E. Naqa·Jan 22, 2024

Introduction Quantum Convolutional Neural Network (QCNN)-Long Short-Term Memory (LSTM) models were studied to provide sequential relationships for each timepoint in MRIs of patients with Multiple Sclerosis (MS). In this pilot study, we compared three...

Computer ScienceEngineering

Quantum Architecture Search with Unsupervised Representation Learning

Yize Sun, Zixin Wu, Volker Tresp +1 more·Jan 21, 2024

Unsupervised representation learning presents new opportunities for advancing Quantum Architecture Search (QAS) on Noisy Intermediate-Scale Quantum (NISQ) devices. QAS is designed to optimize quantum circuits for Variational Quantum Algorithms (VQAs)...

Quantum Physicscs.LG

VQC-based reinforcement learning with data re-uploading: performance and trainability

Rodrigo Coelho, A. Sequeira, Luís Paulo Santos·Jan 21, 2024

Reinforcement learning (RL) consists of designing agents that make intelligent decisions without human supervision. When used alongside function approximators such as Neural Networks (NNs), RL is capable of solving extremely complex problems. Deep Q-...

Computer SciencePhysics

Novel techniques for efficient quantum state tomography and quantum process tomography and their experimental implementation

Akshay Gaikwad·Jan 18, 2024

This thesis actively focuses on designing, analyzing, and experimentally implementing various QST and QPT protocols using an NMR ensemble quantum processor and superconducting qubit-based IBM cloud quantum processor. Part of the thesis also includes ...

Physics

Elivagar: Efficient Quantum Circuit Search for Classification

Sashwat Anagolum, Narges Alavisamani, Poulami Das +2 more·Jan 17, 2024

Designing performant and noise-robust circuits for Quantum Machine Learning (QML) is challenging --- the design space scales exponentially with circuit size, and there are few well-supported guiding principles for QML circuit design. Although recent ...

Computer SciencePhysics

Symmetry breaking in geometric quantum machine learning in the presence of noise

Cenk Tüysüz, Su Yeon Chang, Maria Demidik +3 more·Jan 17, 2024

Geometric quantum machine learning based on equivariant quantum neural networks (EQNNs) recently appeared as a promising direction in quantum machine learning. Despite encouraging progress, studies are still limited to theory, and the role of hardwar...

PhysicsComputer Science

Effective detection of quantum discord by using convolutional neural networks

Narjes Taghadomi, A. Mani, Ali Fahim +2 more·Jan 15, 2024

Quantum discord represents a type of correlation defined as the difference between quantum and classical mutual information of two parties. Due to the optimization involved in the definition of classical mutual information of quantum systems, calcula...

Computer SciencePhysics

Advantage of Quantum Neural Networks as Quantum Information Decoders

Weishun Zhong, O. Shtanko, R. Movassagh·Jan 11, 2024

A promising strategy to protect quantum information from noise-induced errors is to encode it into the low-energy states of a topological quantum memory device. However, readout errors from such memory under realistic settings is less understood. We ...

Computer SciencePhysics

Photonics for Sustainable Computing

Farbin Fayza, S. P. Rao, Darius Bunandar +2 more·Jan 10, 2024

Photonic integrated circuits are finding use in a variety of applications including optical transceivers, LIDAR, bio-sensing, photonic quantum computing, and Machine Learning (ML). In particular, with the exponentially increasing sizes of ML models, ...

Computer Science

Loop Feynman integration on a quantum computer

Jorge J. Martínez de Lejarza, Leandro Cieri, M. Grossi +2 more·Jan 5, 2024

This work investigates in detail the performance and advantages of a new quantum Monte Carlo integrator, dubbed quantum Fourier iterative amplitude estimation (QFIAE), to numerically evaluate for the first time loop Feynman integrals in a near-term q...

Physics

Ultrahigh-fidelity spatial mode quantum gates in high-dimensional space by diffractive deep neural networks

Qianke Wang, Jun Liu, Dawei Lyu +1 more·Jan 5, 2024

While the spatial mode of photons is widely used in quantum cryptography, its potential for quantum computation remains largely unexplored. Here, we showcase the use of the multi-dimensional spatial mode of photons to construct a series of high-dimen...

MedicinePhysics

Microwave signal processing using an analog quantum reservoir computer

Alen Senanian, Sridhar Prabhu, Vladimir Kremenetski +8 more·Dec 26, 2023

Quantum reservoir computing (QRC) has been proposed as a paradigm for performing machine learning with quantum processors where the training takes place in the classical domain, avoiding the issue of barren plateaus in parameterized-circuit quantum n...

MedicinePhysics

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Shaolun Ruan, Zhiding Liang, Qian-Guo Guan +4 more·Dec 23, 2023

With the rapid development of Quantum Machine Learning, quantum neural networks (QNN) have experienced great advancement in the past few years, harnessing the advantages of quantum computing to significantly speed up classical machine learning tasks....

Computer ScienceMedicinePhysics

Distributed quantum neural networks via partitioned features encoding

Yoshiaki Kawase·Dec 21, 2023

Quantum neural networks are expected to be a promising application in near-term quantum computing, but face challenges such as vanishing gradients during optimization and limited expressibility by a limited number of qubits and shallow circuits. To m...

Computer SciencePhysics

Distributed Quantum Learning with co-Management in a Multi-tenant Quantum System

Anthony D'Onofrio, A. Hossain, Lesther Santana +5 more·Dec 13, 2023

The rapid advancement of quantum computing has pushed classical designs into the quantum domain, breaking physical boundaries for computing-intensive and data-hungry applications Given its immense potential, quantum-based computing systems have attra...

Computer Science

Radio Signal Classification by Adversarially Robust Quantum Machine Learning

Yanqiu Wu, Eromanga Adermann, Chandra Thapa +3 more·Dec 13, 2023

Radio signal classification plays a pivotal role in identifying the modulation scheme used in received radio signals, which is essential for demodulation and proper interpretation of the transmitted information. Researchers have underscored the high ...

Computer SciencePhysics

Non-Markovian Feedback for Optimized Quantum Error Correction.

Matteo Puviani, Sangkha Borah, Remmy Zen +2 more·Dec 12, 2023

Bosonic codes allow the encoding of a logical qubit in a single component device, utilizing the infinitely large Hilbert space of a harmonic oscillator. In particular, the Gottesman-Kitaev-Preskill code has recently been demonstrated to be correctabl...

MedicinePhysics

Evaluating the Convergence Limit of Quantum Neural Tangent Kernel

Trong Duong·Dec 5, 2023

Quantum variational algorithms have been one of major applications of quantum computing with current quantum devices. There are recent attempts to establish the foundation for these algorithms. A possible approach is to characterize the training dyna...

Physics
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