Papers
Live trends in quantum computing research, updated daily from arXiv.
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28,582
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299
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Research Volume
13,638 papers in 12 months (-16% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Scalable Low-overhead Superconducting Non-local Coupler with Exponentially Enhanced Connectivity
H. Xiong, Jiahui Wang, Juan Song +8 more·Feb 26, 2025
Quantum error correction codes with non-local connections such as quantum low-density parity-check (qLDPC) incur lower overhead and outperform surface codes on large-scale devices. These codes are not applicable on current superconducting devices wit...
Design and efficiency in graph-state computation
Greg Bowen, Athena Caesura, Simon Devitt +1 more·Feb 26, 2025
The algorithm-specific graph and circuit etching are two strategies for compiling a graph state to implement quantum computation. Benchmark testing exposed limitations to the proto-compiler, Jabalizer giving rise to Etch (https://github.com/QSI-BAQS/...
Dynamical cluster-based strategy for improving tensor network algorithms in quantum circuit simulations
Andrea De Girolamo, P. Facchi, P. Rabl +3 more·Feb 26, 2025
We optimize matrix-product state-based algorithms for simulating quantum circuits with finite fidelity, specifically the time-evolving block decimation (TEBD) and the density-matrix renormalization group (DMRG) algorithms, by exploiting the irregular...
Non-paraxial effects on laser-qubit operations
L. Gallagher, M. Mazzanti, Z. Ackerman +3 more·Feb 26, 2025
Tightly-focused laser beams, or optical tweezers, are essential for analogue and digital quantum simulation with neutral atoms and trapped ions. Despite this, most of the current intuition and theoretical treatment utilizes the paraxial approximation...
Network-Assisted Collective Operations for Efficient Distributed Quantum Computing
I. F. Llovo, Guillermo Díaz-Camacho, Natalia Costas Lago +1 more·Feb 26, 2025
Distributed quantum computing relies on coordinated operations between remote quantum processing units (QPUs), yet most existing work either assumes full connectivity, unrealistic for large networks, or relies on entanglement swapping. To mitigate th...
Simulating work extraction in a dinuclear quantum battery using a variational quantum algorithm.
Lucas Q. Galvão, Ana Clara das Neves, M. Anka +1 more·Feb 26, 2025
Understanding the thermodynamic properties of quantum systems is essential for developing energy-efficient quantum technologies. In this regard, this work explores the application of quantum computational methods to study the quantum properties and w...
Quantum annealing feature selection on light-weight medical image datasets
M. Nau, Luca A. Nutricati, Bruno Camino +2 more·Feb 26, 2025
We investigate the use of quantum computing algorithms on real quantum hardware to tackle the computationally intensive task of feature selection for light-weight medical image datasets. Feature selection is often formulated as a k of n selection pro...
Purified pseudomode model for nonlinear system-bath interactions
Cheng Zhang, Neill Lambert, Xin-Qi Li +2 more·Feb 25, 2025
The theory of purified pseudomodes [arXiv:2412.04264 (2024)] was recently developed to provide a numerical tool for the analysis of the properties of a quantum system and the environment it couples to via linear system-bath interactions. Here we exte...
Entanglement and distillation from symmetric positive maps
Albert Rico·Feb 25, 2025
Recently, a toolkit of highly symmetric techniques employing matrix inequalities has been developed to detect entanglement in various ways. Here we unifiedly explain in detail these methods, and expand them to a new family of positive maps with furth...
Trotter error and gate complexity of the SYK and sparse SYK models
Yiyuan Chen, Jonas Helsen, Maris Ozols·Feb 25, 2025
The Sachdev--Ye--Kitaev (SYK) model is a prominent model of strongly interacting fermions that serves as a toy model of quantum gravity and black hole physics. In this work, we study the Trotter error and gate complexity of the quantum simulation of ...
Quantum reservoir computing for photonic entanglement witnessing
Danilo Zia, Luca Innocenti, Giorgio Minati +10 more·Feb 25, 2025
Accurately estimating properties of quantum states, such as entanglement, while essential for the development of quantum technologies, remains a challenging task. Standard approaches to property estimation rely on detailed modeling of the measurement...
Quantum Eigensolver for Non-Normal Matrices via Ground State Energy Estimation
Honghong Lin, Yun Shang·Feb 25, 2025
Large-scale eigenvalue problems pose a significant challenge to classical computers. While there are efficient quantum algorithms for unitary or Hermitian matrices, eigenvalue problems for non-normal matrices remain open in quantum computing. In this...
Improving success probability in the LHZ parity embedding by computing with quantum walks
Jemma Bennett, Nicholas Chancellor, Viv Kendon +1 more·Feb 25, 2025
The LHZ parity embedding is one of the front-running methods for implementing difficult-to-engineer long-range interactions in quantum optimisation problems. Continuous-time quantum walks are a leading approach for solving quantum optimisation proble...
Quantum Machine Learning in Precision Medicine and Drug Discovery - A Game Changer for Tailored Treatments?
Markus Bertl, Alan Mott, Salvatore Sinno +1 more·Feb 25, 2025
The digitization of healthcare presents numerous challenges, including the complexity of biological systems, vast data generation, and the need for personalized treatment plans. Traditional computational methods often fall short, leading to delayed a...
Efficient excited-state calculations for molecules based on contextual subspace method and symmetry optimizations
Qianjun Yao, He Li·Feb 25, 2025
Quantum computing methods for excited-state calculations remain underexplored in noisy intermediate-scale quantum hardware, despite their critical role in photochemistry and material science. Herein, we propose a resource-efficient framework that int...
A Computational Framework for Simulations of Dissipative Nonadiabatic Dynamics on Hybrid Oscillator-Qubit Quantum Devices.
Nam P Vu, Daniel Dong, Xiaohan Dan +3 more·Feb 25, 2025
We introduce a computational framework for simulating nonadiabatic vibronic dynamics on circuit quantum electrodynamics (cQED) platforms. Our approach leverages hybrid oscillator-qubit quantum hardware with midcircuit measurements and resets, enablin...
Satellite-Aided Entanglement Distribution for Optimized Quantum Networks
Jakob Kaltoft Sondergaard, R. B. Christensen, P. Popovski·Feb 25, 2025
Quantum internet needs to ensure timely provision of entangled qubits to be used in tasks that involve distributed quantum computing or sensing. This has been addressed by a top-down approach of optimized quantum networks [21], in which entanglement ...
Programmable interferometer: An application in quantum channels
J. S. Araújo, K. Khan, A. S. Coelho·Feb 25, 2025
Quantum optics plays a crucial role in developing quantum computers on different platforms. In photonics, precise control over light's degrees of freedom, including discrete variables (polarization, photon number, orbital angular momentum) and contin...
Novel quantum circuit for image compression utilizing modified Toffoli gate and quantized transformed coefficient alongside a novel reset gate
Md. Ershadul Haque, Manoranjan Paul·Feb 25, 2025
Quantum image computing has emerged as a groundbreaking field, revolutionizing how we store and process data at speeds incomparable to classical methods. Nevertheless, as image sizes expand, so does the complexity of qubit connections, posing signifi...
Adaptive Quantum Scaling Model for Histogram Distribution-based Quantum Watermarking
Zheng Xing, C. Lam, Xiaochen Yuan +2 more·Feb 25, 2025
The development of quantum image representation and quantum measurement techniques has made quantum image processing research a hot topic. In this paper, a novel Adaptive Quantum Scaling Model (AQSM) is first proposed for scrambling watermark images....