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

12,908 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

2,459 papers found

Quantum Feature Optimization for Enhanced Clustering of Blockchain Transaction Data

Yun-Cheng Tsai, Samuel Yen-Chi Chen·May 22, 2025

Blockchain transaction data exhibits high dimensionality, noise, and intricate feature entanglement, presenting significant challenges for traditional clustering algorithms. In this study, we conduct a comparative analysis of three clustering approac...

Computer Science

Tailoring the electronic configurations of YPc2 on Cu(111): decoupling strategies for molecular spin qubit platforms.

Soyoung Oh, Franklin H Cho, W. Soe +9 more·May 21, 2025

Molecule-based spin architectures have been proposed as promising platforms for quantum computing. Among the potential spin qubit candidates, yttrium phthalocyanine double-decker (YPc2) features a diamagnetic metal ion core that stabilizes the molecu...

PhysicsMedicine

Quantum Opacity, Classical Clarity: A Hybrid Approach to Quantum Circuit Obfuscation

A. Raj, Vivek Balachandran·May 20, 2025

Quantum computing leverages quantum mechanics to achieve computational advantages over classical hardware, but the use of third-party quantum compilers in the Noisy Intermediate-Scale Quantum (NISQ) era introduces risks of intellectual property (IP) ...

Computer SciencePhysics

Symmetry-guided quantum state preparation: Branched-Subspaces Adiabatic Preparation (B-SAP)

Davide Cugini, Giacomo Guarnieri, Mario Motta +1 more·May 19, 2025

Quantum state preparation lies at the heart of quantum computation and quantum simulations, enabling the investigation of complex manybody systems across physics, chemistry, and data science. While existing methods such as Variational Quantum Algorit...

Quantum Physics

Quantum Algorithms for Causal Estimands

Rishi Goel, Casey R. Myers, Sally Shrapnel·May 19, 2025

Modern machine learning (ML) methods typically fail to adequately capture causal information. Consequently, such models do not handle data distributional shifts, are vulnerable to adversarial examples, and often learn spurious correlations. Causal ML...

Quantum Physics

Efficient Generation of Parameterised Quantum Circuits from Large Texts

C. Krawchuk, Nikhil Khatri, Neil John Ortega +1 more·May 19, 2025

Quantum approaches to natural language processing (NLP) are redefining how linguistic information is represented and processed. While traditional hybrid quantum-classical models rely heavily on classical neural networks, recent advancements propose a...

PhysicsComputer Science

Optimization of Hybrid Quantum-Classical Algorithms

Lian Remme, Alexander Weinert, Andre Waschk·May 19, 2025

Quantum computers do not run in isolation; rather, they are embedded in quantum-classical hybrid architectures. In these setups, a quantum processing unit communicates with a classical device in near-real time. To enable efficient hybrid computations...

Computer Science

Genesis: A Compiler Framework for Hamiltonian Simulation on Hybrid CV-DV Quantum Computers

Zihan Chen, Jiakang Li, Minghao Guo +7 more·May 19, 2025

This paper introduces Genesis, the first compiler designed to support Hamiltonian Simulation on hybrid continuous-variable (CV) and discrete-variable (DV) quantum computing systems. Genesis is a two-level compilation system. At the first level, it de...

Computer SciencePhysics

Quantum-Enhanced Channel Mixing in RWKV Models for Time Series Forecasting

Chi-Sheng Chen, En-Jui Kuo·May 18, 2025

Recent advancements in neural sequence modeling have led to architectures such as RWKV, which combine recurrent-style time mixing with feedforward channel mixing to enable efficient long-context processing. In this work, we propose QuantumRWKV, a hyb...

Physics

Q-Policy: Quantum-Enhanced Policy Evaluation for Scalable Reinforcement Learning

Kalyan Cherukuri, Aarav Lala, Yash Yardi·May 17, 2025

We propose Q-Policy, a hybrid quantum-classical reinforcement learning (RL) framework that mathematically accelerates policy evaluation and optimization by exploiting quantum computing primitives. Q-Policy encodes value functions in quantum superposi...

Computer SciencePhysics

Walsh-Floquet Theory of Periodic Kick Drives

James Walkling, Marin Bukov·May 16, 2025

Periodic kick drives are ubiquitous in digital quantum control, computation, and simulation, and are instrumental in studies of chaos and thermalization for their efficient representation through discrete gates. However, in the commonly used Fourier ...

Quantum Physicscond-mat.othercond-mat.quant-gas

Quantum compressed sensing tomographic reconstruction algorithm

Arim Ryou, Kiwoong Kim, Kyungtaek Jun·May 16, 2025

Computed tomography (CT) is a non-destructive technique for observing internal images and has proven highly valuable in medical diagnostics. Recent advances in quantum computing have begun to influence tomographic reconstruction techniques. The quant...

Physics

Flowing Through Hilbert Space: Quantum-Enhanced Generative Models for Lattice Field Theory

Jehu Martinez, Andrea Delgado·May 15, 2025

Sampling from high-dimensional and structured probability distributions is a fundamental challenge in computational physics, particularly in the context of lattice field theory (LFT), where generating field configurations efficiently is critical, yet...

Quantum Physicshep-lat

From noisy observables to accurate ground state energies: a quantum classical signal subspace approach with denoising

Hardeep Bassi, Yizhi Shen, H. Bhat +1 more·May 15, 2025

We propose a hybrid quantum–classical algorithm for ground state energy estimation that remains robust to highly noisy data and exhibits low sensitivity to hyperparameter tuning. Our approach—Fourier Denoising Observable Dynamic Mode Decomposition (F...

Computer SciencePhysicsEngineering

Distributed Quantum Neural Networks on Distributed Photonic Quantum Computing

Kuan-Cheng Chen, Chen-Yu Liu, Y. Shang +2 more·May 13, 2025

We introduce a distributed quantum-classical framework that synergizes photonic quantum neural networks (QNNs) with matrix product state (MPS) mapping to achieve parameter-efficient training of classical neural networks. By leveraging universal linea...

Computer SciencePhysics

The Quantum Approximate Optimization Algorithm Can Require Exponential Time to Optimize Linear Functions

Francisco Chicano, Z. Dahi, Gabriel Luque·May 9, 2025

QAOA is a hybrid quantum-classical algorithm to solve optimization problems in gate-based quantum computers. It is based on a variational quantum circuit that can be interpreted as a discretization of the annealing process that quantum annealers foll...

Computer SciencePhysics

Efficient Quantum Convolutional Neural Networks for Image Classification: Overcoming Hardware Constraints

Peter Röseler, Oliver Schaudt, Helmut Berg +2 more·May 9, 2025

While classical convolutional neural networks (CNNs) have revolutionized image classification, the emergence of quantum computing presents new opportunities for enhancing neural network architectures. Quantum CNNs (QCNNs) leverage quantum mechanical ...

Computer SciencePhysics

2D Quon Language: Unifying Framework for Cliffords, Matchgates, and Beyond

Byungmin Kang, Chen Zhao, Zhengwei Liu +2 more·May 9, 2025

Simulating generic quantum states and dynamics is practically intractable using classical computers. However, certain special classes -- namely Clifford and matchgate circuits -- permit efficient computation. They provide invaluable tools for studyin...

PhysicsMathematics

Towards Secondary Structure Prediction of Longer Mrna Sequences Using a Quantum-Centric Optimization Scheme

Vaibhaw Kumar, Dimitris Alevras, Mihir Metkar +9 more·May 9, 2025

Accurate prediction of mRNA secondary structure is critical for understanding gene expression, translation efficiency, and advancing mRNA-based therapeutics. However, the combinatorial complexity of possible foldings, especially in long sequences, po...

Physics

Applied Post Quantum Cryptography: A Practical Approach for Generating Certificates in Industrial Environments

Nino Ricchizzi, Christian Schwinne, Jan Pelzl·May 7, 2025

The transition to post-quantum cryptography (PQC) presents significant challenges for certificate-based identity management in industrial environments, where secure onboarding of devices relies on long-lived and interoperable credentials. This work a...

Computer Science
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