Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
28,250
This Month
22
Today
0
Research Volume
13,393 papers in 12 months (-22% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Tensorial Spin-Phonon Relaxation Reveals Mode-Selective Relaxation Pathways in a Single-Molecule Magnet
Roman Dmitriev, Nosheen Younas, Yu Zhang +2 more·Jul 23, 2025
Understanding and controlling spin relaxation in molecular qubits is essential for developing chemically tunable quantum information platforms. We present a fully first-principles framework for computing the spin relaxation tensor in a single-molecul...
Enhancing Quantum Federated Learning with Fisher Information-Based Optimization
A. Bhatia, S. Kais·Jul 23, 2025
Federated Learning (FL) has become increasingly popular across different sectors, offering a way for clients to work together to train a global model without sharing sensitive data. It involves multiple rounds of communication between the global mode...
GPU Benchmark through QPE Emulator with cuQuantum for Practical Quantum Applications
Takaki Akiba, Y. Morii·Jul 23, 2025
The quantum algorithm of Quantum Phase Estimation (QPE) was implemented to make the maximum use of GPU emulation with cuQuantum and CUDA Toolkit by NVIDIA. The input and output were handled by HDF5 to make the process as easy as possible. The computa...
On the query complexity of unitary channel certification
Sangwoo Jeon, Changhun Oh·Jul 23, 2025
Certifying the correct functioning of a unitary channel is a critical step toward reliable quantum information processing. In this work, we investigate the query complexity of the unitary channel certification task: testing whether a given d-dimensio...
Resource-Efficient Simulations of Particle Scattering on a Digital Quantum Computer
Yahui Chai, J. Gibbs, V. Pascuzzi +4 more·Jul 23, 2025
We develop and demonstrate methods for simulating the scattering of particle wave packets in the interacting Thirring model on digital quantum computers, with hardware implementations on up to 80 qubits. We identify low-entanglement time slices of th...
Quantum Software Security Challenges Within Shared Quantum Computing Environments
Samuel Ovaskainen, Majid Haghparast, T. Mikkonen·Jul 23, 2025
The number of qubits in quantum computers keeps growing, but most quantum programs remain relatively small because of the noisy nature of the underlying quantum hardware. This might lead quantum cloud providers to explore increased hardware utilizati...
Advancing Quantum State Preparation Using Decision Diagram with Local Invertible Maps
Xin Hong, Aochu Dai, Chenjian Li +3 more·Jul 23, 2025
Quantum state preparation (QSP) is a fundamental task in quantum computing and quantum information processing. It is critical to the execution of many quantum algorithms, including those in quantum machine learning. In this paper, we propose a family...
A Unified Toolbox for Multipartite Entanglement Certification
Ye-Chao Liu, Jannis Halbey, S. Pokutta +1 more·Jul 23, 2025
We present a unified framework for multipartite entanglement characterization based on the conditional gradient (CG) method, incorporating both fast heuristic detection and rigorous witness construction with numerical error control. Our method enable...
On small perturbations of coherent information
Zhen Wu, Zhihao Ma, James Fullwood·Jul 22, 2025
Quantum capacity quantifies the amount of quantum information that can be transmitted by a quantum channel with an arbitrary small probability of error. Mathematically, the quantum capacity is given by an asymptotic formula involving the one-shot qua...
Hybrid Reward-Driven Reinforcement Learning for Efficient Quantum Circuit Synthesis
Sara Giordano, Kornikar Sen, Miguel A. Martin-Delgado·Jul 22, 2025
A reinforcement learning (RL) framework is introduced for the efficient synthesis of quantum circuits that generate specified target quantum states from a fixed initial state, addressing a central challenge in both the Noisy Intermediate-Scale Quantu...
Multi-qubit Rydberg gates between distant atoms
Antonis Delakouras, Georgios Doultsinos, David Petrosyan·Jul 22, 2025
We propose an efficient protocol to realize multi-qubit gates in arrays of neutral atoms. The atoms encode qubits in the long-lived hyperfine sublevels of the ground electronic state. To realize the gate, we apply a global laser pulse to transfer the...
Negativity Percolation in Continuous-Variable Quantum Networks
Yaqi Zhao, Kan He, Yongtao Zhang +4 more·Jul 22, 2025
Quantum networks (QNs) have been predominantly driven by discrete-variable (DV) architectures. Yet, optical platforms naturally generate Gaussian states--the common states of continuous-variable (CV) systems, making CV-based QNs an attractive route t...
Computational Performance Bounds Prediction in Quantum Computing With Unstable Noise
Jinyang Li, Samudra Dasgupta, Yuhong Song +3 more·Jul 22, 2025
Quantum computing has significantly advanced in recent years, boasting devices with hundreds of quantum bits (qubits), hinting at its potential quantum advantage over classical computing. Yet, noise in quantum devices poses significant barriers to re...
Practical blueprint for low-depth photonic quantum computing with quantum dots
M. L. Chan, Aliki Anna Capatos, P. Lodahl +2 more·Jul 22, 2025
Fusion-based quantum computing is an attractive model for fault-tolerant computation based on photonics requiring only finite-sized entangled resource states followed by linear-optics operations and photon measurements. Large-scale implementations ha...
Reconfigurable qubit states and quantum trajectories in a synthetic artificial neuron network with a process to direct information generation from co-integrated burst-mode spiking under non-Markovianity
Osama M. Nayfeh, C. Horne·Jul 22, 2025
The research and development of hardware neuron technologies are accelerating at a very fast pace to provide for increased efficiency in performing artificial intelligence and autonomy functions beyond that possible with emulation on digital computer...
Qubit-Efficient Quantum Algorithm for Linear Differential Equations
Di Fang, D. L. George, Yu Tong·Jul 22, 2025
As quantum hardware rapidly advances toward the early fault-tolerant era, a key challenge is to develop quantum algorithms that are not only theoretically sound but also hardware-friendly on near-term devices. In this work, we propose a quantum algor...
Thermal operations from informational equilibrium
Seok Hyung Lie, Jeongrak Son, P. Boes +2 more·Jul 22, 2025
Thermal operations are quantum channels that have taken a prominent role in deriving fundamental thermodynamic limitations in quantum systems. We show that these channels are uniquely characterized by a purely quantum information theoretic property: ...
Statistical Assertions for Debugging Quantum Circuits and States in CUDA-Q
Jocelyn Li, Ella Rubinshtein, M. Martonosi·Jul 22, 2025
As quantum computing continues to mature, more developers are designing, coding, and simulating quantum circuits. A challenge exists, however, in debugging quantum circuits, particularly as they scale in size and complexity. Given the lack of effecti...
Meta-learning of Gibbs states for many-body Hamiltonians with applications to Quantum Boltzmann Machines
R. V. Bhat, Rahul Bhowmick, Avinash Singh +1 more·Jul 22, 2025
The preparation of quantum Gibbs states is a fundamental challenge in quantum computing, essential for applications ranging from modeling open quantum systems to quantum machine learning. Building on the Meta-Variational Quantum Eigensolver framework...
Efficient quantum state tomography with auxiliary systems
Wenlong Zhao, Da Zhang, Huili Zhang +2 more·Jul 22, 2025
Quantum state tomography is a technique in quantum information science used to reconstruct the density matrix of an unknown quantum state, providing complete information about the quantum state. It is of significant importance in fields such as quant...