Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Improved Ising Meson Spectroscopy Simulation on a Noisy Digital Quantum Device
Hao-Ti Hung, Isabel Nha Minh Le, Johannes Knolle +1 more·Dec 2, 2025
The transverse-field Ising model serves as a paradigm for studying confinement and excitation spectra, particularly the emergence of $E_8$ symmetry near criticality. However, experimentally resolving the Ising meson spectroscopy required to verify th...
Quantum-Based Self-Attention Mechanism for Hardware-Aware Differentiable Quantum Architecture Search
Yuxiang Liu, Sixuan Li, Fanxu Meng +2 more·Dec 2, 2025
The automated design of parameterized quantum circuits for variational algorithms in the NISQ era faces a fundamental limitation, as conventional differentiable architecture search relies on classical models that fail to adequately represent quantum ...
Random matrix perspective on probabilistic error cancellation
Leonhard Moske, Pedro Ribeiro, Tomaž Prosen +3 more·Dec 1, 2025
Probabilistic error cancellation is an attempt to reverse the effect of dissipative noise channels on quantum computers by applying unphysical channels after the execution of a quantum algorithm on noisy hardware. We investigate on general grounds th...
High-Speed NV Ensemble Magnetic Field Imaging via Laser Raster Scanning
Luca Troise, Nikolaj W. Hansen, Marvin Holten +4 more·Dec 1, 2025
We present a technique that uses an ensemble of nitrogen-vacancy (NV) centers in diamond to image magnetic fields with high spatio-temporal resolution and sensitivity. A focused laser beam is raster-scanned using an acousto-optic deflector (AOD) and ...
Benchmarking Distributed Quantum Computing Emulators
Guillermo Díaz-Camacho, Iago F. Llovo, F. Javier Cardama +7 more·Dec 1, 2025
Scalable quantum computing requires architectural solutions beyond monolithic processors. Distributed quantum computing (DQC) addresses this challenge by interconnecting smaller quantum nodes through quantum communication protocols, enabling collabor...
Resource Estimation for VQE on Small Molecules: Impact of Fermion Mappings and Hamiltonian Reductions
Anurag K. S. V., Ashish Kumar Patra, Vikas Dattatraya Ghevade +5 more·Dec 1, 2025
Accurate determination of ground-state energies for molecules remains a challenge in quantum chemistry and a cornerstone for progress in fields such as drug discovery and materials design. The Variational Quantum Eigensolver (VQE) represents a leadin...
Formal Verification of Noisy Quantum Reinforcement Learning Policies
Dennis Gross·Dec 1, 2025
Quantum reinforcement learning (QRL) aims to use quantum effects to create sequential decision-making policies that achieve tasks more effectively than their classical counterparts. However, QRL policies face uncertainty from quantum measurements and...
Modeling Wavelet Transformed Quantum Support Vector for Network Intrusion Detection
Swati Kumari, Shiva Raj Pokhrel, Swathi Chandrasekhar +5 more·Dec 1, 2025
Network traffic anomaly detection is a critical cybersecurity challenge requiring robust solutions for complex Internet of Things (IoT) environments. We present a novel hybrid quantum-classical framework integrating an enhanced Quantum Support Vector...
Data-Driven Learnability Transition of Measurement-Induced Entanglement
Dongheng Qian, Jing Wang·Dec 1, 2025
Measurement-induced entanglement (MIE) captures how local measurements generate long-range quantum correlations and drive dynamical phase transitions in many-body systems. Yet estimating MIE experimentally remains challenging: direct evaluation requi...
Optimized spectral and interferometric techniques for the certification of ETPA
Pablo Yepiz-Graciano, Gabriel Ramos-Ortiz, Roberto Ramírez-Alarcón·Nov 30, 2025
The phenomenon of Entangled Two-Photon Absorption (ETPA) presents a persistent controversy in the literature, evidenced by a wide disparity in the reported values for the $σ_E$ cross-sections. Much of this discrepancy is attributed to the difficulty ...
Exact quantum dynamics of Fermi--Hubbard systems using the Gaussian phase-space representation with diffusion gauges
F Rousse, M Fasi, A Dmytryshyn +3 more·Nov 30, 2025
We use the Gaussian Phase-Space Representation to solve the real-time dynamic of interacting fermions in 1D, 2D, and 3D systems. The method is exact up to a spiking point, which represents a limit on the practical simulation time. The spiking can be ...
Multiqubit Rydberg Gates for Quantum Error Correction
David F. Locher, Josias Old, Katharina Brechtelsbauer +4 more·Nov 30, 2025
Multiqubit gates that involve three or more qubits are usually thought to be of little significance for fault-tolerant quantum error correction because single gate faults can lead to high-weight correlated errors. However, recent works have shown tha...
Optimal Control of thermally noisy quantum gates in a multilevel system
Aviv Aroch, Shimshon Kallush, Ronnie Kosloff·Nov 30, 2025
Quantum systems are inherently sensitive to environmental noise and imperfections in external control fields, posing a significant challenge for the practical implementation of quantum technologies. These noise sources degrade the fidelity of quantum...
Weighted Projective Line ZX Calculus: Quantized Orbifold Geometry for Quantum Compilation
Gunhee Cho, Jason Cheng, Evelyn Li·Nov 30, 2025
We develop a unified geometric framework for quantum circuit compilation based on quantized orbifold phases and their diagrammatic semantics. Physical qubit platforms impose heterogeneous phase resolutions, anisotropic Bloch-ball contractions, and ha...
Curvature-Aware Optimization of Noisy Variational Quantum Circuits via Weighted Projective Line Geometry
Gunhee Cho, Jessie Wang, Angela Yue·Nov 30, 2025
We develop a differential-geometric framework for variational quantum circuits in which noisy single- and multi-qubit parameter spaces are modeled by weighted projective lines (WPLs). Starting from the pure-state Bloch sphere CP1, we show that realis...
On-Chip Levitated Neon Particle Arrays for Robust and Scalable Electron Qubits
Sosuke Inui, Yinghe Qi, Yiming Xing +3 more·Nov 29, 2025
Electron-on-neon (eNe) qubits have recently emerged as a compelling platform for quantum computing, which combines the vacuum isolation advantages of trapped-ion qubits with the scalability of superconducting circuits. In this system, electrons are t...
Geometric Parameterization of Kraus Operators with Applications to Quasi Inverse Channels for Multi Qubit Systems
Zain Ateeq, Muhammad Faryad·Nov 29, 2025
This work presents a differentiable geometric parameterization of quantum channels in Kraus representation, which can be efficiently probed to find an unknown quantum channel. We explore its feasibility in finding the quasi inverse channels, which ca...
Optimized Many-Hypercube Codes toward Lower Logical Error Rates and Earlier Realization
Hayato Goto·Nov 29, 2025
Many-hypercube codes, concatenated ${[[n,n-2,2]]}$ quantum error-detecting codes ($n$ is even), have recently been proposed as high-rate quantum codes suitable for fault-tolerant quantum computing. While the original many-hypercube codes with ${n=6}$...
A Concatenated Dual Displacement Code for Continuous-Variable Quantum Error Correction
Fucheng Guo, Frank Mueller, Yuan Liu·Nov 29, 2025
The continuous-variable (CV) Gaussian no-go theorem fundamentally limits the suppression of Gaussian displacement errors using only Gaussian gates and states. Prior studies have employed Gottesman-Kitaev-Preskill (GKP) states as ancillary qumodes to ...
Searching for Ultralight Dark Matter with MOLeQuTE: a Massive Optically Levitated Quantum Tabletop Experiment
Louis Hamaide, Hannah Banks, Peter Barker +1 more·Nov 28, 2025
Many well theoretically motivated models of ultralight dark matter are expected to give rise to feeble oscillatory forces on macroscopic objects. Optically trapped sensors have high force sensitivities but have remained relatively unexplored in this ...