Quantum Brain

Papers

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

Total Papers

27,548

This Month

1,041

Today

0

Research Volume

12,910 papers in 12 months (-5% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

2,459 papers found

Comparing Quantum Annealing and BF-DCQO

Pau Farré, Erika Ordog, Kevin Chern +1 more·Sep 17, 2025

Recent work [1] has claimed that a gate-model quantum-classical hybrid algorithm called bias-field digitized counterdiabatic quantum optimization (BF-DCQO) [2] outperforms D-Wave's annealing quantum computers in optimization tasks. We find the opposi...

Quantum Physics

Quantum Reinforcement Learning-Guided Diffusion Model for Image Synthesis via Hybrid Quantum-Classical Generative Model Architectures

Chi-Sheng Chen, En-Jui Kuo·Sep 17, 2025

Diffusion models typically employ static or heuristic classifier-free guidance (CFG) schedules, which often fail to adapt across timesteps and noise conditions. In this work, we introduce a quantum reinforcement learning (QRL) controller that dynamic...

Quantum Physicscs.LG

Quantum Variational Activation Functions Empower Kolmogorov-Arnold Networks

Jiun-Cheng Jiang, Morris Yu-Chao Huang, Tianlong Chen +1 more·Sep 17, 2025

Variational quantum circuits (VQCs) are central to quantum machine learning, while recent progress in Kolmogorov-Arnold networks (KANs) highlights the power of learnable activation functions. We unify these directions by introducing quantum variation...

Quantum Physicscs.LG

Solving Differential Equation with Quantum-Circuit Enhanced Physics-Informed Neural Networks

Rachana Soni·Sep 17, 2025

I present a simple hybrid framework that combines physics informed neural networks (PINNs) with features generated from small quantum circuits. As a proof of concept, a first-order equation is solved by feeding quantum measurement probabilities into ...

Quantum Physics

Quantum Simulations of Battery Electrolytes with VQE-qEOM and SQD: Active-Space Design, Dissociation, and Excited States of LiPF$_6$, NaPF$_6$, and FSI Salts

Sk Mujaffar Hossain, Seung-Cheol Lee, Satadeep Bhattacharjee·Sep 17, 2025

Accurate prediction of excited states in battery electrolytes is central to understanding photostability, oxidative stability, and degradation. We employ hybrid quantum-classical algorithms -- the Variational Quantum Eigensolver (VQE) for ground stat...

cond-mat.mtrl-sciQuantum Physics

Hybrid Quantum-Classical Neural Networks for Few-Shot Credit Risk Assessment

Zheng-an Wang, Yanbo J. Wang, Jiachi Zhang +11 more·Sep 17, 2025

Quantum Machine Learning (QML) offers a new paradigm for addressing complex financial problems intractable for classical methods. This work specifically tackles the challenge of few-shot credit risk assessment, a critical issue in inclusive finance w...

cs.LGQuantum Physics

QLook:Quantum-Driven Viewport Prediction for Virtual Reality

Niusha Sabri Kadijani, Yoga Suhas Kuruba Manjunath, Xiaodan Bi +1 more·Sep 16, 2025

We propose QLook, a quantum-driven predictive framework to improve viewport prediction accuracy in immersive virtual reality (VR) environments. The framework utilizes quantum neural networks (QNNs) to model the user movement data, which has multiple ...

Quantum Physicseess.SY

Resisting Quantum Key Distribution Attacks Using Quantum Machine Learning

Ali Al-kuwari, Noureldin Mohamed, Saif Al-kuwari +2 more·Sep 16, 2025

The emergence of quantum computing poses significant risks to the security of modern communication networks as it breaks today's public-key cryptographic algorithms. Quantum Key Distribution (QKD) offers a promising solution by harnessing the princip...

CryptographyQuantum Physics

Real-time vacuum-state quantum random number generator on a chip

Guan-Ru Qiao, Bing Bai, Zi-Xuan Weng +6 more·Sep 16, 2025

Quantum random number generators (QRNGs) produce true random numbers, which are guaranteed by the fundamental principles of quantum physics. Miniaturization of QRNGs is crucial for a wide range of communication and cryptography applications. Here, we...

Quantum Physicsphysics.app-ph

Steady-state entanglement of spin qubits mediated by non-reciprocal and chiral magnons

Martijn Dols, Mikhail Cherkasskii, Victor A. S. V. Bittencourt +3 more·Sep 16, 2025

We propose a hybrid quantum system in which a magnet supporting non-reciprocal magnons, chiral magnons, or both mediates the dissipative and unidirectional coupling of spin qubits. By driving the qubits, the steady state of this qubit-qubit coupling ...

Quantum Physics

The Quantum Control Hierarchy: When Physics-Informed Design Meets Machine Learning

Atta ur Rahman, M. Y. Abd-Rabbou, Cong-feng Qiao·Sep 16, 2025

We address a wide spectrum of quantum control strategies, including various open-loop protocols and advanced adaptive methods. These methodologies apply to few-qubit scenarios and naturally scale to larger N-qubit systems. We benchmark them across fu...

Quantum Physics

Efficient lattice field theory simulation using adaptive normalizing flow on a resistive memory-based neural differential equation solver

Meng Xu, Jichang Yang, Ning Lin +6 more·Sep 16, 2025

Lattice field theory (LFT) simulations underpin advances in classical statistical mechanics and quantum field theory, providing a unified computational framework across particle, nuclear, and condensed matter physics. However, the application of thes...

Neural ComputingQuantum Physics

HQCNN: A Hybrid Quantum-Classical Neural Network for Medical Image Classification

Shahjalal, Jahid Karim Fahim, Pintu Chandra Paul +3 more·Sep 16, 2025

Classification of medical images plays a vital role in medical image analysis; however, it remains challenging due to the limited availability of labeled data, class imbalances, and the complexity of medical patterns. To overcome these challenges, we...

Quantum Physicseess.IV

EmuPlat: A Framework-Agnostic Platform for Quantum Hardware Emulation with Validated Transpiler-to-Pulse Pipeline

Jun Ye, Jun Yong Khoo·Sep 16, 2025

We present EmuPlat, a framework-agnostic quantum hardware emulation platform that addresses the interoperability gap between high-level quantum programming frameworks and hardware-specific pulse control systems. Unlike existing solutions that operate...

Quantum Physics

Integrated Software/Hardware Execution Models for High-Accuracy Methods in Chemistry

Nicholas Bauman, Ajay Panyala, Libor Veis +7 more·Sep 15, 2025

The effective deployment and application of advanced methodologies for quantum chemistry is inherently linked to the optimal usage of emerging and highly diversified computational resources. This paper examines the synergistic utilization of Micron m...

physics.comp-phphysics.chem-phQuantum Physics

QKD Oracles for Authenticated Key Exchange

Kathrin Hövelmanns, Daan Planken, Christian Schaffner +1 more·Sep 15, 2025

Authenticated Key Exchange (AKE) establishes shared ('symmetric') cryptographic keys which are essential for secure online communication. AKE protocols can be constructed from public-key cryptography like Key Encapsulation Mechanisms (KEMs). Another ...

CryptographyQuantum Physics

Numerical Optimization Methods in the environment with Quantum Noise

Tomáš Bezděk·Sep 15, 2025

The accurate calculation of electronic potential energy surfaces for ground and excited states is crucial for understanding photochemical processes, particularly near conical intersections. While classical methods are limited by scaling and quantum a...

Quantum Physicsmath.NA

Driven-Dissipative Landau Polaritons: Two Highly Nonlinearly-Coupled Quantum Harmonic Oscillators

Farokh Mivehvar·Sep 15, 2025

Landau levels (LLs) are the massively-degenerate discrete energy spectrum of a charged particle in a transverse magnetic field and lie at the heart of many intriguing phenomena such as the integer and fractional quantum Hall effects as well as quanti...

cond-mat.str-elcond-mat.quant-gasAtomic PhysicsQuantum Physics

Combinatorial optimization enhanced by shallow quantum circuits with 104 superconducting qubits

Xuhao Zhu, Zuoheng Zou, Feitong Jin +31 more·Sep 15, 2025

A pivotal task for quantum computing is to speed up solving problems that are both classically intractable and practically valuable. Among these, combinatorial optimization problems have attracted tremendous attention due to their broad applicability...

Quantum Physics

Observation of quantum-field-theory dynamics on a spin-phonon quantum computer

Anton T. Than, Saurabh V. Kadam, Vinay Vikramaditya +5 more·Sep 14, 2025

Simulating out-of-equilibrium dynamics of quantum field theories in nature is challenging with classical methods, but is a promising application for quantum computers. Unfortunately, simulating interacting bosonic fields involves a high boson-to-qubi...

Quantum Physicscond-mat.quant-gashep-lathep-ph
Quantum Intelligence

Ask about quantum research, companies, or market developments.