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

12,908 papers in 12 months (-5% vs prior quarter)

Research Focus Areas

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

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2,459 papers found

Quantum Quasinormal Mode Theory for Dissipative Nano-Optics and Magnetodielectric Cavity Quantum Electrodynamics

Lars Meschede, Daniel D. A. Clarke, Ortwin Hess·Jul 7, 2025

The unprecedented pace of evolution in nanoscale architectures for cavity quantum electrodynamics (cQED) has posed crucial challenges for theory, where the quantum dynamics arising from the non-perturbative dressing of matter by cavity electric and m...

physics.opticsQuantum Physics

Improving GANs by leveraging the quantum noise from real hardware

Hongni Jin, Kenneth M. Merz·Jul 2, 2025

We propose a novel approach to generative adversarial networks (GANs) in which the standard i.i.d. Gaussian latent prior is replaced or hybridized with a quantum-correlated prior derived from measurements of a 16-qubit entangling circuit. Each latent...

Physics

Generative flow-based warm start of the variational quantum eigensolver

Hang Zou, Martin Rahm, A. F. Kockum +1 more·Jul 2, 2025

Hybrid quantum-classical algorithms like the variational quantum eigensolver (VQE) show promise for quantum simulations on near-term quantum devices, but are often limited by complex objective functions and expensive optimization procedures. Here, we...

PhysicsMathematics

Efficient Gate Reordering for Distributed Quantum Compiling in Data Centers

Riccardo Mengoni, Walter Nadalin, Mathys Rennela +5 more·Jul 1, 2025

Just as classical computing relies on distributed systems, the quantum computing era requires new kinds of infrastructure and software tools. Quantum networks will become the backbone of hybrid, quantum-augmented data centers, in which quantum algori...

Quantum Physicscs.DC

Quantum Computing in Discrete- and Continuous-Variable Architectures

Shraddha Singh·Jul 1, 2025

This thesis develops a theoretical framework for hybrid continuous-variable (CV) and discrete-variable (DV) quantum systems, with emphasis on quantum control, state preparation, and error correction. A central contribution is non-abelian quantum sign...

Physics

Coupled Cluster Downfolding Theory in Simulations of Chemical Systems on Quantum Hardware

Nicholas P. Bauman, Muqing Zheng, Chenxu Liu +5 more·Jul 1, 2025

The practical application of quantum technologies to chemical problems faces significant challenges, particularly in the treatment of realistic basis sets and the accurate inclusion of electron correlation effects. A direct approach to these problems...

Physics

Multi-Target Density Matrix Renormalization Group X algorithm and its application to circuit quantum electrodynamics

Sof'ia Gonz'alez-Garc'ia, A. Szasz, Alice Pagano +3 more·Jun 30, 2025

Obtaining accurate representations of the eigenstates of an array of coupled superconducting qubits is a crucial step in the design of circuit quantum electrodynamics (QED)-based quantum processors. However, exact diagonalization of the device Hamilt...

Physics

Quanvolutional Neural Networks for Pneumonia Detection: An Efficient Quantum-Assisted Feature Extraction Paradigm

Gazi Tanbhir, Md. Farhan Shahriyar, Abdullah Md Raihan Chy·Jun 27, 2025

Pneumonia poses a significant global health challenge, demanding accurate and timely diagnosis. While deep learning, particularly Convolutional Neural Networks (CNNs), has shown promise in medical image analysis for pneumonia detection, CNNs often su...

Computer Science

Quantum Assisted Ghost Gutzwiller Ansatz

P. V. Sriluckshmy, Franccois Jamet, IV FedorvSimkovic·Jun 26, 2025

The ghost Gutzwiller ansatz (gGut) embedding technique was shown to achieve comparable accuracy to the gold standard dynamical mean-field theory method in simulating real material properties, yet at a much lower computational cost. Despite that, gGut...

Physics

HQCM-EBTC: A Hybrid Quantum-Classical Model for Explainable Brain Tumor Classification

M. A. Haddou, Mohamed Bennai·Jun 26, 2025

This study investigates the efficacy of a hybrid quantum-classical model, denoted as HQCM-EBTC, for the automated classification of brain tumors, comparing its performance against a classical counterpart. A comprehensive dataset comprising 7,576 magn...

Computer ScienceMedicine

Stochastic Quantum Spiking Neural Networks with Quantum Memory and Local Learning

Jiechen Chen, Bipin Rajendran, Osvaldo Simeone·Jun 26, 2025

Neuromorphic and quantum computing have recently emerged as promising paradigms for advancing artificial intelligence, each offering complementary strengths. Neuromorphic systems built on spiking neurons excel at processing time series data efficient...

Computer Science

Sculpting Quantum Landscapes: Fubini-Study Metric Conditioning for Geometry Aware Learning in Parameterized Quantum Circuits

M. A. Haddou, Mohamed Bennai·Jun 26, 2025

We present a novel meta learning framework called Sculpture that explicitly conditions the Fubini Study metric tensor of parameterized quantum circuits to mitigate barren plateaus in variational quantum algorithms. Our theoretical analysis identifies...

Computer Science

Practical insights on the effect of different encodings, ansätze and measurements in quantum and hybrid convolutional neural networks

Jesús Lozano-Cruz, Albert Nieto-Morales, Oriol Balló-Gimbernat +3 more·Jun 25, 2025

This study investigates the design choices of parameterized quantum circuits (PQCs) within quantum and hybrid convolutional neural network (HQNN and QCNN) architectures, applied to the task of satellite image classification using the EuroSAT dataset....

Quantum Physicscs.CV

Sequential Quantum Computing

Sebastián V. Romero, Alejandro Gomez Cadavid, E. Solano +1 more·Jun 25, 2025

We propose and experimentally demonstrate sequential quantum computing (SQC), a paradigm that utilizes multiple homogeneous or heterogeneous quantum processors in hybrid classical-quantum workflows. In this manner, we are able to overcome the limitat...

Physics

Quantum-Centric Alchemical Free Energy Calculations

Milana Bazayeva, Zhen Li, Danil S. Kaliakin +4 more·Jun 25, 2025

In the present work, we present a hybrid quantum-classical workflow aimed at improving the accuracy of alchemical free energy (AFE) predictions by incorporating configuration interaction (CI) simulations using the book-ending correction method. This ...

Physics

Iterative Quantum Feature Maps

Nasa Matsumoto, Quoc Hoan Tran, Koki Chinzei +2 more·Jun 24, 2025

Quantum machine learning models that leverage quantum circuits as quantum feature maps (QFMs) are recognized for their enhanced expressive power in learning tasks. Such models have demonstrated rigorous end-to-end quantum speedups for specific famili...

Quantum PhysicsAIstat.ML

Conservative quantum offline model-based optimization

Kristian Sotirov, Annie E. Paine, Savvas Varsamopoulos +2 more·Jun 24, 2025

Offline model-based optimization (MBO) refers to the task of optimizing a black-box objective function using only a fixed set of prior input-output data, without any active experimentation. Recent work has introduced quantum extremal learning (QEL), ...

PhysicsComputer ScienceMathematics

Quantum-Classical Computing for Time-Dependent Ion-Atom Collision Dynamics: Applications to Charge Transfer Cross Section Simulations

Minchen Qiao, Yu-Xi Liu·Jun 24, 2025

The simulation of ion-atom collisions remains a formidable challenge due to the complex interplay between electronic and nuclear degrees of freedom. We present a hybrid quantum-classical computing framework for simulating time-dependent ion-atom coll...

Physics

Quantum-Classical Hybrid Quantized Neural Network

Wenxin Li, Chuan Wang, Hongdong Zhu +4 more·Jun 23, 2025

In this work, we introduce a novel Quadratic Binary Optimization (QBO) framework for training a quantized neural network. The framework enables the use of arbitrary activation and loss functions through spline interpolation, while Forward Interval Pr...

Computer SciencePhysics

A Survey of Quantum Generative Adversarial Networks: Architectures, Use Cases, and Real-World Implementations

Mujahidul Islam, Serkan Turkeli, Fatih Ozaydin·Jun 22, 2025

Quantum Generative Adversarial Networks (QGANs) have emerged as a promising direction in quantum machine learning, combining the strengths of quantum computing and adversarial training to enable efficient and expressive generative modeling. This surv...

Physics
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