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Papers

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

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12,931 papers in 12 months (-5% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

4,069 papers found

Architectural Approaches to Fault-Tolerant Distributed Quantum Computing and Their Entanglement Overheads

Nitish Kumar Chandra, Eneet Kaur, Kaushik P. Seshadreesan·Nov 17, 2025

Fault tolerant quantum computation over distributed quantum computing (DQC) platforms requires careful evaluation of resource requirements and noise thresholds. As quantum hardware advances toward modular and networked architectures, various fault to...

Quantum Physics

Qudit-native simulation of the Potts model

Maksim A. Gavreev, Evgeniy O. Kiktenko, Aleksey K. Fedorov +1 more·Nov 17, 2025

Simulating entangled, many-body quantum systems is notoriously hard, especially in the case of high-dimensional nature of physical underlying objects. In this work, we propose an approach for simulating the Potts model based on the Suzuki-Trotter dec...

Quantum Physics

Measurement-based Dynamical Decoupling for Fidelity Preservation on Large-scale Quantum Processors

Jeongwoo Jae, Changwon Lee, Juzar Thingna +2 more·Nov 17, 2025

Dynamical decoupling (DD) is a key technique for suppressing decoherence and preserving the performance of quantum algorithms. We introduce a measurement-based DD (MDD) protocol that determines control unitary gates from partial measurements of noisy...

Quantum Physics

Taming Barren Plateaus in Arbitrary Parameterized Quantum Circuits without Sacrificing Expressibility

Zhenyu Chen, Yuguo Shao, Zhengwei Liu +1 more·Nov 17, 2025

Quantum algorithms based on parameterized quantum circuits (PQCs) have enabled a wide range of applications on near-term quantum devices. However, existing PQC architectures face several challenges, among which the ``barren plateaus" phenomenon is pa...

Quantum PhysicsComplexitycs.ITcs.LG

Depth optimization of CNOT ladder circuits

Spyros Tserkis, Muhammad Umer, Dimitris G. Angelakis·Nov 17, 2025

The increasing depth of quantum circuits presents a major limitation for the execution of quantum algorithms, as the limited coherence time of physical qubits leads to noise that manifests as errors during computation. In this work, we focus on CNOT ...

Quantum Physics

High-Fidelity Universal Quantum Gate Compilation for Non-semisimple Ising Anyons via Genetic Algorithm-Optimized Solovay-Kitaev Decomposition

Jiangwei Long, Zihui Liu, Yizhi Li +2 more·Nov 17, 2025

We present a systematic numerical construction of a universal quantum gate set for topological quantum computation based on the non-semisimple Ising anyons model. By employing a Genetic Algorithm-enhanced Solovay-Kitaev Algorithm (GA-enhanced SKA), w...

Quantum Physics

The correlated matching decoder for the 4.8.8 color code

Yantong Liu, Junjie Wu, Lingling Lao·Nov 17, 2025

Color codes present distinct advantages for fault-tolerant quantum computing, such as high encoding rates and the transversal implementation of Clifford gates. However, existing matching-based decoders for the color codes such as the restricted decod...

Quantum Physicscs.ITphysics.data-an

Fractional Contribution of Dynamical and Geometric Phases in Quantum Evolution

Arun Kumar Pati, Vlatko Vedral, Erik Sjoqvist·Nov 17, 2025

The fundamental division of the total quantum evolution phase into geometric and dynamical components is a central problem in quantum physics. Here, we prove a remarkably simple and universal law demonstrating that this partitioning is governed, at e...

Quantum Physicsphysics.ed-ph

When does numerical pulse optimization actually help? Error budgets,robustness tradeoffs, and calibration guidance for transmon single-qubit gates

Rylan Malarchick·Nov 16, 2025

Numerical optimal control (GRAPE) can in principle discover pulse shapes that suppress all coherent gate error to machine precision. But when does that capability actually matter? We present a systematic comparison of Gaussian, DRAG, and GRAPE pulses...

Quantum Physics

Enhancing Chemistry on Quantum Computers with Fermionic Linear Optical Simulation

Zack Hassman, Oliver Reardon-Smith, Gokul Subramanian Ravi +2 more·Nov 16, 2025

We present and open source a quantum circuit simulator tailored to chemistry applications. More specifically, our simulator can compute the Born-rule probabilities of samples obtained from circuits containing passive fermionic linear optical elements...

Quantum Physics

Exponential Parallelism in Practice: A Comparative Feature on Quantum Computing and Instantaneous Noise-Based Logic

Laszlo B. Kish·Nov 16, 2025

Exponential parallelism, a defining principle of advanced computational systems, holds promise for transformative impacts across several scientific and industrial domains. This feature paper provides a comparative overview of Quantum Computing (QC) a...

Physics

Skyrmionic qubits stabilized by Dzyaloshinskii-Moriya interaction as platforms for qubits and quantum gates

Doru Sticlet, Romulus Tetean, Coriolan Tiusan·Nov 15, 2025

Quantum computation departs from the classical paradigm of deterministic, bit-based processing by exploiting inherently quantum phenomena such as superposition and entanglement. We propose a framework for qubit realization based on skyrmionic states ...

Quantum PhysicsMesoscale Physicscond-mat.mtrl-sciphysics.app-ph

Measurement-Based Quantum Computation Using the Spin-1 XXZ Model with Uniaxial Anisotropy

Hiroki Ohta, Aaron Merlin Müller, Shunji Tsuchiya·Nov 15, 2025

We demonstrate that the ground state of a spin-1 XXZ chain with uniaxial anisotropies, single-ion anisotropy $D$ and Ising-like anisotropy $J$, within the Haldane phase can serve as a resource state for measurement-based quantum computation implement...

Quantum Physicscond-mat.str-el

RF-Squad: A radiofrequency simulator for quantum dot arrays

Tara Murphy, Katarina Brlec, Giovanni Oakes +5 more·Nov 14, 2025

Spins in semiconductor quantum dots offer a scalable approach to quantum computing; however, precise control and efficient readout of large quantum dot arrays remain challenging, mainly due to the hyperdimensional voltage space required for tuning mu...

Mesoscale PhysicsQuantum Physics

Hamiltonian simulation with explicit formulas for Digital-Analog Quantum Computing

Mikel Garcia-de-Andoin, Thorge Müller, Gonzalo Camacho·Nov 14, 2025

Digital-analog is a quantum computational paradigm that employs the natural interaction Hamiltonian of a system as the entangling resource, combined with single qubit gates, to implement universal quantum operations. As in the case of its digital gat...

Quantum PhysicsMathematical Physics

Efficient circuits for leaf-separable state preparation

Sunil Vittal, Anthony Wilkie, Nika Rastegari +2 more·Nov 14, 2025

Efficient state preparation is a challenging and important problem in quantum computing. In this work, we present a recursive state preparation algorithm that combines logarithmic-depth Dicke state circuits with Hamming weight encoders for efficientl...

Quantum Physics

Ultrafast quantum gates with fully quantized free-electron quantum optics

Yongcheng Ding·Nov 14, 2025

Free-electron quantum optics provides a versatile platform for manipulating electrons at the quantum level with potential applications in quantum information technologies. We propose a grating-based architecture for fully quantized free-electron quan...

Quantum Physics

Perfect displacement of a superconducting resonator via fast-forward scaling and its application to high-speed $R_{ZZ}$ gates in Kerr-cat qubits

Takaaki Aoki, Shumpei Masuda·Nov 14, 2025

We investigate the fast-forward and time-scaling properties of superconducting resonators under an off-resonant coherent drive. We propose a scheme for perfect displacement of a superconducting resonator by modulating the drive amplitude based on fas...

Quantum Physics

A New Quantum Secure Time Transfer System

Ravi Singh Adhikari, Aman Gupta, Anju Rani +2 more·Nov 13, 2025

High-precision clock synchronization is essential for a wide range of network-distributed applications. In the quantum space, these applications include communication, sensing, and positioning. However, current synchronization techniques are vulnerab...

Quantum PhysicsCryptography

Efficient quantum Gibbs sampling of stabilizer codes using hybrid computation

Ivan H. C. Shum, Angela Capel·Nov 13, 2025

We present hybrid Gibbs sampling algorithms for the stabilizer code Hamiltonians of the rotated surface code and the toric code with only local quantum algorithms, using $\sim L/2$ quantum circuit depth to prepare the Gibbs state of the rotated surfa...

Quantum Physics
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