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

12,896 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

Machine Learning Assisted Cognitive Construction of a Shallow Depth Dynamic Ansatz for Noisy Quantum Hardware

Sonaldeep Halder, Anish Dey, Chinmay Shrikhande +1 more·Oct 12, 2023

The development of various dynamic ansatz-constructing techniques has ushered in a new era, rendering the practical exploitation of Noisy Intermediate-Scale Quantum (NISQ) hardware for molecular simulations increasingly viable. However, they exhibit ...

Physics

Non-asymptotic Approximation Error Bounds of Parameterized Quantum Circuits

Zhan Yu, Qiuhao Chen, Yuling Jiao +4 more·Oct 11, 2023

Parameterized quantum circuits (PQCs) have emerged as a promising approach for quantum neural networks. However, understanding their expressive power in accomplishing machine learning tasks remains a crucial question. This paper investigates the expr...

Computer SciencePhysics

Quantum-Enhanced Forecasting: Leveraging Quantum Gramian Angular Field and CNNs for Stock Return Predictions

Zhengmeng Xu, Hai Lin·Oct 11, 2023

We propose a time series forecasting method named Quantum Gramian Angular Field (QGAF). This approach merges the advantages of quantum computing technology with deep learning, aiming to enhance the precision of time series classification and forecast...

Computer ScienceEconomics

Quantum sequential scattering model for quantum state learning

M. Jing, Geng-yang Liu, Hongbin Ren +1 more·Oct 11, 2023

Learning probability distribution is an essential framework in classical learning theory. As a counterpart, quantum state learning has spurred the exploration of quantum machine learning theory. However, as dimensionality increases, learning a high-d...

Physics

Quantum Shadow Gradient Descent for Variational Quantum Algorithms

Mohsen Heidari, M. Naved, Wenbo Xie +2 more·Oct 10, 2023

Gradient-based optimizers have been proposed for training variational quantum circuits in settings such as quantum neural networks (QNNs). The task of gradient estimation, however, has proven to be challenging, primarily due to distinctive quantum fe...

PhysicsComputer Science

Learning high-accuracy error decoding for quantum processors

Johannes Bausch, A. W. Senior, F. Heras +15 more·Oct 9, 2023

Building a large-scale quantum computer requires effective strategies to correct errors that inevitably arise in physical quantum systems1. Quantum error-correction codes2 present a way to reach this goal by encoding logical information redundantly i...

Computer SciencePhysicsMedicine

SU(d)-symmetric random unitaries: quantum scrambling, error correction, and machine learning

Zimu Li, Han Zheng, Yunfei Wang +3 more·Sep 28, 2023

Quantum information processing in the presence of continuous symmetry is of wide importance and exhibits many novel physical and mathematical phenomena. SU(d) is a continuous symmetry group of particular interest since it represents a fundamental typ...

Physics

Statistical Analysis of Quantum State Learning Process in Quantum Neural Networks

Hao Zhang, Chenghong Zhu, M. Jing +1 more·Sep 26, 2023

Quantum neural networks (QNNs) have been a promising framework in pursuing near-term quantum advantage in various fields, where many applications can be viewed as learning a quantum state that encodes useful data. As a quantum analog of probability d...

Computer SciencePhysics

Quantum Superpositions of Conscious States in a Minimal Integrated Information Model

Kelvin J. McQueen, Ian T. Durham, Markus P. Mueller·Sep 25, 2023

Could there be quantum superpositions of conscious states, as suggested by the Wigner's friend thought experiment? Mathematical theories of consciousness, notably Integrated Information Theory (IIT), make this question more precise by associating phy...

Quantum Physics

Quantum algorithms for state preparation and data classification based on stabilizer codes

P. Jouzdani, H. A. Hashim, E. Mucciolo·Sep 18, 2023

Quantum error correction (QEC) is a way to protect quantum information against noise. It consists of encoding input information into entangled quantum states known as the code space. Furthermore, to classify if the encoded information is corrupted or...

Physics

Approximately Equivariant Quantum Neural Network for p4m Group Symmetries in Images

Su Yeon Chang, M. Grossi, B. L. Saux +1 more·Sep 17, 2023

Quantum Neural Networks (QNNs) are suggested as one of the quantum algorithms which can be efficiently simulated with a low depth on near-term quantum hardware in the presence of noises. However, their performance highly relies on choosing the most s...

PhysicsComputer Science

Predicting Expressibility of Parameterized Quantum Circuits Using Graph Neural Network

Shamminuj Aktar, Andreas Bärtschi, Abdel-Hameed A. Badawy +2 more·Sep 13, 2023

Parameterized Quantum Circuits (PQCs) are essential to quantum machine learning and optimization algorithms. The expressibility of PQCs, which measures their ability to represent a wide range of quantum states, is a critical factor influencing their ...

Computer SciencePhysics

Physics-informed neural networks for an optimal counterdiabatic quantum computation

Antonio Ferrer-S'anchez, Carlos Flores-Garrigos, C. Hernani-Morales +7 more·Sep 8, 2023

A novel methodology that leverages physics-informed neural networks to optimize quantum circuits in systems with NQ qubits by addressing the counterdiabatic (CD) protocol is introduced. The primary purpose is to employ physics-inspired deep learning ...

PhysicsComputer Science

Neural Crystals

S. Karamintziou, Thanassis Mavropoulos, Dimos Ntioudis +3 more·Sep 5, 2023

We face up to the challenge of explainability in Multimodal Artificial Intelligence (MMAI). At the nexus of neuroscience-inspired and quantum computing, interpretable and transparent spin-geometrical neural architectures for early fusion of large-sca...

BiologyComputer Science

Financial fraud detection using quantum graph neural networks

Nouhaila Innan, Abhishek Sawaika, Ashim Dhor +7 more·Sep 3, 2023

Financial fraud detection is essential for preventing significant financial losses and maintaining the reputation of financial institutions. However, conventional methods of detecting financial fraud have limited effectiveness, necessitating the need...

Computer SciencePhysics

What can we Learn from Quantum Convolutional Neural Networks?

Chukwudubem Umeano, Annie E. Paine, V. Elfving +1 more·Aug 31, 2023

Quantum machine learning (QML) shows promise for analyzing quantum data. A notable example is the use of quantum convolutional neural networks (QCNNs), implemented as specific types of quantum circuits, to recognize phases of matter. In this approach...

PhysicsComputer Science

Thermodynamic computing via autonomous quantum thermal machines

Patryk Lipka-Bartosik, M. Perarnau-Llobet, N. Brunner·Aug 30, 2023

We develop a physics-based model for classical computation based on autonomous quantum thermal machines. These machines consist of few interacting quantum bits (qubits) connected to several environments at different temperatures. Heat flows through t...

Computer SciencePhysicsMedicine

Hybrid quantum neural network structures for image multi-classification

Mingrui Shi, Haozhen Situ, Cai Zhang·Aug 30, 2023

Image classification is a fundamental problem in computer vision, and neural networks provide an effective solution. With the advancement of quantum technology, quantum neural networks have attracted a lot of attention. However, they are only suitabl...

Physics

Development of a Novel Quantum Pre-processing Filter to Improve Image Classification Accuracy of Neural Network Models

Farina Riaz, Shahab A. Abdulla, Hajime Suzuki +3 more·Aug 22, 2023

This paper proposes a novel quantum pre-processing filter (QPF) to improve the image classification accuracy of neural network (NN) models. A simple four qubit quantum circuit that uses Y rotation gates for encoding and two controlled NOT gates for c...

PhysicsComputer Science

Exploiting the Quantum Advantage for Satellite Image Processing: Review and Assessment

Soronzonbold Otgonbaatar, Dieter Kranzlmüller·Aug 18, 2023

This article examines the current status of quantum computing (QC) in Earth observation and satellite imagery. We analyze the potential limitations and applications of quantum learning models when dealing with satellite data, considering the persiste...

Physics
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