Quantum Brain

Papers

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

Total Papers

27,548

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1,041

Today

0

Research Volume

12,909 papers in 12 months (-5% vs prior quarter)

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

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Hardware platform mentions in abstractsPhotonic leads

2,459 papers found

Scalable Hardware Maturity Probe for Quantum Accelerators via Harmonic Analysis of QAOA

Chinonso Onah, Kristel Michielsen·Sep 14, 2025

As quantum processors begin operating as tightly coupled accelerators inside high-performance computing (HPC) facilities, dependable and reproducible behavior becomes a gating requirement for scientific and industrial workloads. We present a hardware...

Quantum Physicsphysics.app-ph

Multi-Partitioned Meshfree Quantum Finite Particle Method: A Hybrid Quantum Framework for Fluid Flow

Yudong Li, Wenkui Shi, Yan Li +5 more·Sep 14, 2025

This study established a quantum-classical hybrid framework that integrates quantum computing paradigm with meshfree finite particle method. By harnessing quantum superposition and entanglement, it hybridized the critical computational kernels (terme...

physics.flu-dynQuantum Physics

Hybrid Quantum Branch-and-Bound Method for Quadratic Unconstrained Binary Optimization

Zedong Peng, Daniel de Roux, David E. Bernal Neira·Sep 14, 2025

Quantum algorithms have shown promise in solving Quadratic Unconstrained Binary Optimization (QUBO) problems, benefiting from their connection to the transverse field Ising model. Various Ising solvers, both classical and quantum, have emerged to tac...

Mathematics

Boosting Sparsity in Graph Decompositions with QAOA Sampling

George Pennington, Naeimeh Mohseni, Oscar Wallis +5 more·Sep 12, 2025

We study the problem of decomposing a graph into a weighted sum of a small number of matchings, a task that arises in network resource allocation problems such as peer-to-peer energy exchange. Computing such decompositions is challenging for classica...

Physics

Fluctuation-guided adaptive random compiler for Hamiltonian simulation

Yu-Xia Wu, Yun-Zhuo Fan, Dan-Bo Zhang·Sep 12, 2025

Stochastic methods offer an effective way to suppress coherent errors in quantum simulation. In particular, the randomized compilation protocol may reduce circuit depth by randomly sampling Hamiltonian terms rather than following the deterministic Tr...

Physics

A hybrid quantum walk model unifying discrete and continuous quantum walks

Tianen Chen, Y. Shang·Sep 11, 2025

Quantum walks, both discrete and continuous, serve as fundamental tools in quantum information processing with diverse applications. This work introduces a hybrid quantum walk model that integrates the coin mechanism of discrete walks with the Hamilt...

Physics

NISQ Security and Complexity via Simple Classical Reasoning

Alexandru Cojocaru, Juan A. Garay, Qipeng Liu +1 more·Sep 11, 2025

We give novel lifting theorems for security games in the quantum random oracle model (QROM) in Noisy Intermediate-Scale Quantum (NISQ) settings such as the hybrid query model, the noisy oracle and the bounded-depth models. We provide, for the first t...

Computer SciencePhysics

Quantum-Enhanced Forecasting for Deep Reinforcement Learning in Algorithmic Trading

Jun-Hao Chen, Yu-Chien Huang, Yun-Cheng Tsai +1 more·Sep 11, 2025

The convergence of quantum-inspired neural networks and deep reinforcement learning offers a promising avenue for financial trading. We implemented a trading agent for USD/TWD by integrating Quantum Long Short-Term Memory (QLSTM) for short-term trend...

Computer Science

Evaluating Quantum Amplitude Estimation for Pricing Multi-Asset Basket Options

Muhammad Kashif, Shaf Khalid, Nouhaila Innan +2 more·Sep 11, 2025

Accurate and efficient pricing of multi-asset basket options poses a significant challenge, especially when dealing with complex realworld data. In this work, we investigate the role of quantum-enhanced uncertainty modeling in financial pricing optio...

Physics

Loss-tolerant parallelized Bell-state generation with a hybrid cat qudit

Z. M. McIntyre, W. A. Coish·Sep 10, 2025

Having multiple Bell pairs shared by distant quantum registers provides a key resource for both quantum networks and distributed quantum computing. In this paper, we present a protocol for parallelized Bell-pair generation that uses the phase of a co...

Quantum Physics

QCardEst/QCardCorr: Quantum Cardinality Estimation and Correction

Tobias Winker, Jinghua Groppe, S. Groppe·Sep 10, 2025

Cardinality estimation is an important part of query optimization in DBMS. We develop a Quantum Cardinality Estimation (QCardEst) approach using Quantum Machine Learning with a Hybrid Quantum-Classical Network. We define a compact encoding for turnin...

Computer SciencePhysics

Large-Scale Efficient Molecule Geometry Optimization with Hybrid Quantum-Classical Computing.

Yajie Hao, Qiming Ding, Xiaoting Wang +1 more·Sep 9, 2025

Accurately and efficiently predicting the equilibrium geometries of large molecules remains a central challenge in quantum computational chemistry, even with hybrid quantum-classical algorithms. Two major obstacles hinder progress: the large number o...

MedicinePhysics

Classical Neural Networks on Quantum Devices via Tensor Network Disentanglers: A Case Study in Image Classification

Borja Aizpurua, Sukhbinder Singh, Román Orús·Sep 8, 2025

We address the problem of implementing bottleneck layers from classical pre-trained neural networks on a quantum computer, with the goal of exploring intrinsically quantum ansatz for representing large linear layers within hybrid classical-quantum mo...

Quantum Physicsphysics.comp-ph

A brain-inspired paradigm for scalable quantum vision

Chenghua Duan, Xiuxing Li, Wending Zhao +6 more·Sep 7, 2025

One of the fundamental tasks in machine learning is image classification, which serves as a key benchmark for validating algorithm performance and practical potential. However, effectively processing high-dimensional, detail-rich images, a capability...

Physics

From Membership-Privacy Leakage to Quantum Machine Unlearning

Jun-Jian Su, Runze He, Guanghui Li +4 more·Sep 7, 2025

Quantum Machine Learning (QML) has the potential to achieve quantum advantage for specific tasks by combining quantum computation with classical Machine Learning (ML). In classical ML, a significant challenge is membership privacy leakage, whereby an...

Physics

Hybrid-Integrated InGaAs/InP SPAD Arrays for Quantum Communications

Joseph A. Dolphin, Rosemary O. E. Scowen, Louise M. Wells +7 more·Sep 5, 2025

Photonic integration is a promising route to miniaturise the hardware of quantum key distribution (QKD), yet the monolithic integration of single photon detectors remains a significant challenge. QKD receiver chips integrating superconducting detecto...

Quantum Physics

Exploring an implementation of quantum learning pipeline for support vector machines

Mario Bifulco, Luca Roversi·Sep 5, 2025

This work presents a fully quantum approach to support vector machine (SVM) learning by integrating gate-based quantum kernel methods with quantum annealing-based optimization. We explore the construction of quantum kernels using various feature maps...

Computer SciencePhysics

Qumode-Based Variational Quantum Eigensolver for Molecular Excited States.

Rishab Dutta, Cameron Cianci, A. Soudackov +5 more·Sep 5, 2025

We introduce the qumode subspace variational quantum eigensolver (QSS-VQE), a hybrid quantum-classical algorithm for computing molecular excited states using the Fock basis of bosonic qumodes in circuit quantum electrodynamics (cQED) devices. This ap...

MedicinePhysics

Scalable parallel simulation of quantum circuits on CPU and GPU systems

Guolong Zhong, Yi Fan, Zhenyu Li·Sep 5, 2025

Quantum computing enables parallelism through superposition and entanglement and offers advantages over classical computing architectures. However, due to the limitations of current quantum hardware in the noisy intermediate-scale quantum (NISQ) era,...

Physics

Transmon-assisted high-fidelity controlled- Z gates for integer fluxonium qubits

J.-H. Wang, H. Xiong, J.-Z. Yang +3 more·Sep 5, 2025

Fluxoniums, as partially-protected superconducting qubits are promising to be employed to build high-performance large-scale quantum processor. The recently proposed ``integer fluxonium"operates at zero external flux bias, with a frequency of approxi...

Physics
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