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

12,932 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

Drone delivery packing problem on a neutral-atom quantum computer

Sara Tarquini, Matteo Vandelli, Francesco Ferrari +2 more·Feb 17, 2026

Quantum architectures based on neutral atoms have gained significant attention in recent years as specialized computational machines due to their ability to directly encode the independent set constraint on graphs, exploiting the Rydberg blockade mec...

Quantum Physics

Quantum Computing for Healthcare Digital Twin Systems

Asma Taheri Monfared, Andrea Bombarda, Angelo Gargantini +1 more·Feb 17, 2026

The growing complexity of healthcare systems requires advanced computational models for real-time monitoring, secure data exchange, and intelligent decision-making. Digital Twins (DTs) provide virtual representations of physical healthcare entities, ...

Emerging Tech

Constrained Portfolio Optimization via Quantum Approximate Optimization Algorithm (QAOA) with XY-Mixers and Trotterized Initialization: A Hybrid Approach for Direct Indexing

Javier Mancilla, Theodoros D. Bouloumis, Frederic Goguikian·Feb 16, 2026

Portfolio optimization under strict cardinality constraints is a combinatorial challenge that defies classical convex optimization techniques, particularly in the context of "Direct Indexing" and ESG-constrained mandates. In the Noisy Intermediate-Sc...

Quantum Physicsq-fin.CPq-fin.PM

Enhanced multiparameter quantum estimation in cavity magnomechanics via a coherent feedback loop

Adnan Naimy, Abdallah Slaoui, Abderrahim Lakhfif +1 more·Feb 16, 2026

Multiparameter quantum metrology plays a fundamental role in uncovering and exploiting the distinctive features of quantum systems. In this work, we propose an effective and experimentally feasible scheme to significantly enhance the simultaneous qua...

Quantum PhysicsMathematical Physics

NISQ-compatible quantum cryptography based on Parrondo dynamics in discrete-time quantum walks

Aditi Rath, Dinesh Kumar Panda, Colin Benjamin·Feb 16, 2026

Compatibility with noisy intermediate-scale quantum (NISQ) devices is crucial for the realistic implementation of quantum cryptographic protocols. We investigate a cryptographic scheme based on discrete-time quantum walks (DTQWs) on cyclic graphs tha...

Quantum Physicscond-mat.dis-nnstat.CO

Quantum-Assisted Trainable-Embedding Physics-Informed Neural Networks for Parabolic PDEs

Ban Q. Tran, Nahid Binandeh Dehaghani, Rafal Wisniewski +2 more·Feb 16, 2026

Physics-informed neural networks (PINNs) have emerged as a powerful framework for solving partial differential equations (PDEs) by embedding governing physical laws directly into the training objective. Recent advances in quantum machine learning hav...

Quantum Physics

Qute: Towards Quantum-Native Database

M. Chen, Xuanhe Zhou, Wei Zhou +7 more·Feb 16, 2026

This paper envisions a quantum database (Qute) that treats quantum computation as a first-class execution option. Unlike prior simulation-based methods that either run quantum algorithms on classical machines or adapt existing databases for quantum s...

Computer Science

High-fidelity Quantum Readout Processing via an Embedded SNAIL Amplifier

Leon Bello, Boris Mesits, Michael Hatridge +1 more·Feb 15, 2026

Scalable, high-fidelity quantum-state readout remains a central challenge in the development of large-scale superconducting quantum processors. Conventional dispersive readout architectures depend on bulky isolators and external amplifiers, introduci...

Quantum Physics

Time-Domain Two-Magnon Interference Enabled by a Tunable Beamsplitter

Cody Trevillian, Steven Louis, Vasyl Tyberkevych·Feb 14, 2026

This letter presents a model system for controllable two-magnon interference in the time domain. This two-magnon interference, i.e., a magnonic analog to the photonic Hong-Ou-Mandel effect, is supported by a tunable magnonic beamsplitter operation fo...

Quantum PhysicsMesoscale Physics

Quantum logic control and entanglement in hybrid atom-molecule arrays

Chi Zhang, Sara Murciano, Nathanan Tantivasadakarn +1 more·Feb 13, 2026

Polar molecules, with their rich internal structure, offer immense potential for fundamental physics, quantum technology, and controlled chemistry. However, their utilization is currently limited because of slow and imperfect state detection and weak...

Quantum PhysicsAtomic Physics

QTabGAN: A Hybrid Quantum-Classical GAN for Tabular Data Synthesis

Subhangi Kumari, Rakesh Achutha, Vignesh Sivaraman·Feb 13, 2026

Synthesizing realistic tabular data is challenging due to heterogeneous feature types and high dimensionality. We introduce QTabGAN, a hybrid quantum-classical generative adversarial framework for tabular data synthesis. QTabGAN is especially designe...

cs.LGQuantum Physics

Challenge-Response Quantum Reinforcement Learning with Application to Quantum-Assisted Authentication

Jawaher Kaldari, Saif Al-Kuwari·Feb 12, 2026

Quantum reinforcement learning (QRL) has emerged as a promising research direction that integrates quantum information processing into reinforcement learning frameworks. While many existing QRL studies apply quantum agents to classical environments, ...

Quantum Physics

Accelerating Feedback-based Algorithms for Quantum Optimization Using Gradient Descent

Masih Mozakka, Mohsen Heidari·Feb 12, 2026

Feedback-based methods have gained significant attention as an alternative training paradigm for the Quantum Approximate Optimization Algorithm (QAOA) in solving combinatorial optimization problems such as MAX-CUT. In particular, Quantum Lyapunov Con...

Quantum Physicscs.LG

Probing near-field EM fluctuations in superparamagnetic CoFeB with NV quantum dephasometry

Shoaib Mahmud, Wei Zhang, Pronoy Das +3 more·Feb 12, 2026

Superparamagnetism in nanoscale magnetic layers is a critical property for a wide range of spintronic-based sensor and computing applications. While conventional magnetization measurements can detect superparamagnetic signatures, they often require t...

Mesoscale PhysicsQuantum Physics

Experimental setup for the combined study of spin ensembles and superconducting quantum circuits

Lukas Vogl, Gerhard B. P. Huber, Ana Strinić +5 more·Feb 12, 2026

A hybrid quantum computing architecture combining quantum processors and quantum memory units allows for exploiting each component's unique properties to enhance the overall performance of the total system. However, superconducting qubits are highly ...

physics.app-phQuantum Physics

Nonlinear integrated quantum photonics with AlGaAs

F. Baboux, G. Moody, S. Ducci·Feb 11, 2026

Integrated photonics provides a powerful approach for developing compact, stable and scalable architectures for the generation, manipulation and detection of quantum states of light. To this end, several material platforms are being developed in para...

Quantum PhysicsMesoscale Physicsphysics.optics

Recent Developments in VQE: Survey and Benchmarking

Taylor Harville, Rishu Khurana, Vitor F. Grizzi +1 more·Feb 11, 2026

The Variational Quantum Eigensolver (VQE) algorithm has been developed to target near term Noisy Intermediate Scale Quantum (NISQ) computers as a method to find the eigenvalues of Hamiltonians. Unlike fully quantum algorithms such as Quantum Phase Es...

Quantum Physics

MerLin: A Discovery Engine for Photonic and Hybrid Quantum Machine Learning

Cassandre Notton, Benjamin Stott, Philippe Schoeb +7 more·Feb 11, 2026

Identifying where quantum models may offer practical benefits in near term quantum machine learning (QML) requires moving beyond isolated algorithmic proposals toward systematic and empirical exploration across models, datasets, and hardware constrai...

cs.LGcs.PLQuantum Physics

Error-Tolerant Quantum State Discrimination: Optimization and Quantum Circuit Synthesis

Chien-Kai Ma, Bo-Hung Chen, Tian-Fu Chen +2 more·Feb 11, 2026

We develop error-tolerant quantum state discrimination(QSD) strategies that maintain reliable performance under moderate noise. Two complementary approaches are proposed: CrossQSD, which generalizes unambiguous discrimination with tunable confidence ...

Quantum Physics

Dimensional advantage in network cooling with hybrid oscillator-qudit systems

Mrinmoy Samanta, Debkanta Ghosh, Rivu Gupta +1 more·Feb 11, 2026

We examine the cooling of networks of oscillators through repeated unitary evolution followed by conditional measurement on a finite-dimensional auxiliary system, coupled via Jaynes-Cummings type interaction. We prove that near-perfect cooling of the...

Quantum Physics
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