Quantum Brain

Papers

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

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12,685 papers in 12 months (-11% vs prior quarter)

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Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

6,077 papers found

Quantum vs. Classical Machine Learning: A Benchmark Study for Financial Prediction

Rehan Ahmad, Muhammad Kashif, Nouhaila Innan +1 more·Jan 7, 2026

In this paper, we present a reproducible benchmarking framework that systematically compares QML models with architecture-matched classical counterparts across three financial tasks: (i) directional return prediction on U.S. and Turkish equities, (ii...

cs.LGQuantum Physics

Interference-Induced Suppression of Doublon Transport and Prethermalization in the Extended Bose-Hubbard Model

Zhen-Ting Bao, Kai Xu, Heng Fan·Jan 7, 2026

The coherent mobility of doublons, arising from second-order virtual dissociation-recombination processes, fundamentally limits their use as information carriers in the strongly interacting Bose-Hubbard model. We propose a disorder-free suppression m...

cond-mat.quant-gascond-mat.stat-mechQuantum Physics

Transmutation based Quantum Simulation for Non-unitary Dynamics

Shi Jin, Chuwen Ma, Enrique Zuazua·Jan 7, 2026

We present a quantum algorithm for simulating dissipative diffusion dynamics generated by positive semidefinite operators of the form $A=L^\dagger L$, a structure that arises naturally in standard discretizations of elliptic operators. Our main tool ...

Quantum Physics

Many-body Quantum Score: a scalable benchmark for digital and analog quantum processors and first test on a commercial neutral atom device

Harold Erbin, Pierre-Louis Burdeau, Corentin Bertrand +2 more·Jan 6, 2026

We propose the Many-body Quantum Score (MBQS), a practical and scalable application-level benchmark protocol designed to evaluate the capabilities of quantum processing units (QPUs)--both gate-based and analog--for simulating many-body quantum dynami...

Quantum Physicscond-mat.str-el

Time-Dependent Dunkl-Pauli Oscillator in the Presence of the Aharonov-Bohm Effect

Boubakeur Khantoul, Ahmed Tedjani·Jan 6, 2026

We present an exact, time-dependent solution for a two-dimensional Pauli oscillator deformed by Dunkl operators in the presence of an Aharonov--Bohm (AB) flux. By replacing conventional momenta with Dunkl momenta and allowing arbitrary time dependenc...

Quantum Physics

Eco-WakeLoc: An Energy-Neutral and Cooperative UWB Real-Time Locating System

Silvano Cortesi, Lukas Schulthess, Davide Plozza +2 more·Jan 6, 2026

Indoor localization systems face a fundamental trade-off between efficiency and responsiveness, which is especially important for emerging use cases such as mobile robots operating in GPS-denied environments. Traditional RTLS either require continuou...

cs.NIEmerging Techeess.SP

A Unified Frequency Principle for Quantum and Classical Machine Learning

Rundi Lu, Ruiqi Zhang, Weikang Li +3 more·Jan 6, 2026

Quantum neural networks constitute a key class of near-term quantum learning models, yet their training dynamics remain not fully understood. Here, we present a unified theoretical framework for the frequency principle (F-principle) that characterize...

Quantum Physics

Who can compete with quantum computers? Lecture notes on quantum inspired tensor networks computational techniques

Xavier Waintal, Chen-How Huang, Christoph W. Groth·Jan 6, 2026

This is a set of lectures on tensor networks with a strong emphasis on the core algorithms involving Matrix Product States (MPS) and Matrix Product Operators (MPO). Compared to other presentations, particular care has been given to disentangle aspect...

Quantum Physicscond-mat.str-el

Quantum-enhanced long short-term memory with attention for spatial permeability prediction in oilfield reservoirs

Muzhen Zhang, Yujie Cheng, Zhanxiang Lei·Jan 6, 2026

Spatial prediction of reservoir parameters, especially permeability, is crucial for oil and gas exploration and development. However, the wide range and high variability of permeability prevent existing methods from providing reliable predictions. Fo...

AIQuantum Physics

Compressed Qubit Noise Spectroscopy: Piecewise-Linear Modeling and Rademacher Measurements

Kaixin Huang, Demitry Farfurnik, Dror Baron +1 more·Jan 5, 2026

Random pulse sequences are a powerful method for qubit noise spectroscopy, enabling efficient reconstruction of sparse noise spectra. Here, we advance this method in two complementary directions. First, we extend the method using a regularizer based ...

Quantum Physicscs.IT

PauliEngine: High-Performant Symbolic Arithmetic for Quantum Operations

Leon Müller, Adelina Bärligea, Alexander Knapp +1 more·Jan 5, 2026

Quantum computation is inherently hybrid, and fast classical manipulation of qubit operators is necessary to ensure scalability in quantum software. We introduce PauliEngine, a high-performance C++ framework that provides efficient primitives for Pau...

Quantum PhysicsEmerging Techcs.SEphysics.comp-ph

Developments in superconducting erasure qubits for hardware-efficient quantum error correction

Maria Violaris, Luciana Henaut, James Wills +3 more·Jan 5, 2026

Quantum computers are inherently noisy, and a crucial challenge for achieving large-scale, fault-tolerant quantum computing is to implement quantum error correction. A promising direction that has made rapid recent progress is to design hardware that...

Quantum Physics

Simulating Non-Markovian Dynamics in Open Quantum Systems

Meng Xu, Vasilii Vadimov, J. T. Stockburger +1 more·Jan 5, 2026

Recent advances in quantum technologies and related experiments have created a need for highly accurate, versatile, and computationally efficient simulation techniques for the dynamics of open quantum systems. Long-lived correlation effects (non-Mark...

Quantum Physicscond-mat.stat-mech

Flux-noise-resilient transmon qubit via a doubly-connected gradiometric design

J. B. Fu, Da-Wei Wang, B. Ren +12 more·Jan 5, 2026

Frequency-tunable superconducting transmon qubits are a cornerstone of scalable quantum processors, yet their performance is often degraded by sensitivity to low-frequency flux noise. Here we present a doubly-connected gradiometric transmon (the ``8-...

Quantum Physics

Optimization of modulation transfer protocol for Rydberg RF receivers

Mickael Branco, K V Adwaith, Duc-Anh Trinh +4 more·Jan 5, 2026

We explore theoretically and experimentally the recently demonstrated modulation transfer protocol [D.-A. Trinh, K. V. Adwaith, M. Branco, A. Rouxel, S. Welinski, P. Berger, F. Goldfarb, and F. Bretenaker, Applied Physics Letters 125, 154001 (2024)] ...

Quantum PhysicsAtomic Physics

Cutting Quantum Circuits Beyond Qubits

Manav Seksaria, Anil Prabhakar·Jan 5, 2026

We extend quantum circuit cutting to heterogeneous registers comprising mixed-dimensional qudits. By decomposing non-local interactions into tensor products of local generalised Gell-Mann matrices, we enable the simulation and execution of high-dimen...

Quantum Physicscs.DC

Physics-Informed Deep Recurrent Back-Projection Network for Tunnel Propagation Modeling

Kunyu Wu, Qiushi Zhao, Jingyi Zhou +4 more·Jan 5, 2026

Accurate and efficient modeling of radio wave propagation in railway tunnels is is critical for ensuring reliable communication-based train control (CBTC) systems. Fine-grid parabolic wave equation (PWE) solvers provide high-fidelity field prediction...

Emerging Tech

Continuous Unitary Designs for Universally Robust Quantum Control

Xiaodong Yang, Jiaqing Leng, Jun Li·Jan 5, 2026

Unitary designs are unitary ensembles that emulate Haar-random unitary statistics. They provide a vital tool for studying quantum randomness and have found broad applications in quantum technologies. However, existing research has focused on discrete...

Quantum Physics

Experimental realization of quantum Zeno dynamics for robust quantum metrology

Ran Liu, Xiaodong Yang, Xiang Lv +5 more·Jan 5, 2026

Quantum Zeno dynamics (QZD), which restricts the system's evolution to a protected subspace, provides a promising approach for protecting quantum information from noise. Here, we explore a practical approach to harnessing QZD for robust quantum metro...

Quantum Physics

Formal Modeling and Verification of Grover's Algorithm

H. Sun, Z. Shi, S. Chen +5 more·Jan 5, 2026

Grover's algorithm relies on the superposition and interference of quantum mechanics, which is more efficient than classical computing in specific tasks such as searching an unsorted database. Due to the high complexity of quantum mechanics, the corr...

Quantum Physicscs.FL
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