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

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28,188 papers found

Efficient algorithm for fidelity estimation of two quantum states

Anumita Mukhopadhyay, Shibdas Roy, Arun Kumar Pati·Nov 17, 2025

The fidelity estimation between two quantum states is crucial for quantum computation and information science. However, an efficacious method for this, especially for mixed states and higher-dimensional density matrices, remains elusive. While there ...

Quantum Physics

Above-Unity Coherent Cooperativity of Tin-Vacancy Centers in Diamond Photonic Crystal Cavities

Nina Codreanu, Tim Turan, Daniel Bedialauneta Rodriguez +8 more·Nov 17, 2025

The tin-vacancy center in diamond (SnV) has emerged as a compelling building block for realizing next-generation quantum networks thanks to its excellent optical and spin properties. Coupling to photonic crystal cavities (PCCs) promises to further en...

Quantum Physics

The Intrinsic Angular - Momentum of Particles and the Resolution of the Spin-Statistics Theorem

Enrico Santamato, Francesco De Martini·Nov 17, 2025

The traditional Standard Quantum Mechanics (SQM) theory is unable to solve the Spin-s problem, i.e., to justify the utterly important "Pauli Exclusion Principle". A complete and straightforward solution of the Spin-Statistics problem is presented bas...

Quantum Physics

Floquet Recurrences in the Double Kicked Top

Avadhut V. Purohit, Udaysinh T. Bhosale·Nov 17, 2025

We study exact quantum recurrences in the double kicked top (DKT), a driven spin model that extends the quantum kicked top (QKT) by introducing an additional time-reversal symmetry-breaking kick. Reformulating its dynamics in terms of effective param...

Quantum Physicscond-mat.othernlin.CDnlin.SI

HPC-Accelerated Simulation and Calibration for Silicon Quantum Dots

Dhilan Nag, Suhun Kim, Cole Johnson +1 more·Nov 17, 2025

Quantum computers (QCs) have the potential to solve critical problems significantly faster than today's most advanced supercomputers. One major challenge in realizing this technology is designing robust electrostatic pulses to realize unitaries on qu...

Quantum PhysicsEmerging Tech

Switching rates in Kerr resonator with two-photon dissipation and driving

V. Yu. Mylnikov, S. O. Potashin, M. S. Ukhtary +1 more·Nov 17, 2025

We analytically investigate the switching rate in a two-photon driven Kerr oscillator with finite detuning and two-photon dissipation. This system exhibits quantum bistability and supports a logical manifold for a bosonic qubit. Using Kramer's theory...

Quantum Physics

Restart Belief: A General Quantum LDPC Decoder

Lorenzo Valentini, Diego Forlivesi, Andrea Talarico +1 more·Nov 17, 2025

Hardware-friendly quantum low-density parity-check (QLDPC) decoders are commonly built upon belief propagation (BP) processing. Yet, quantum degeneracy often prevents BP from achieving reliable convergence. To overcome this fundamental limitation, we...

Quantum Physicscs.IT

Spectroscopic signatures of emergent elementary excitations in a kinetically constrained long-range interacting two-dimensional spin system

Tobias Kaltenmark, Chris Nill, Christian Groß +1 more·Nov 17, 2025

Lattice spin models featuring kinetic constraints constitute a paradigmatic setting for the investigation of glassiness and localization phenomena. The intricate dynamical behavior of these systems is a result of the dramatically reduced connectivity...

cond-mat.quant-gasAtomic PhysicsQuantum Physics

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

Data-driven adaptive quantum error mitigation for probability distribution

Rion Shimazu, Suguru Endo, Shigeo Hakkaku +1 more·Nov 17, 2025

Quantum error mitigation (QEM) has been proposed as a class of hardware-friendly error suppression techniques. While QEM has been primarily studied for mitigating errors in the estimation of expectation values of observables, recent works have explor...

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

Hybrid Quantum-Classical Dispatching for High-Renewable Power Systems:A Noise-Resilient Variational Approach with Real-World Validation

Fu Zhang, Yuming Zhao·Nov 17, 2025

This study introduces a hybrid quantum-classical dispatching framework designed for power systems with high renewable penetration. The proposed method integrates a variational quantum algorithm with classical optimization to provide noise-resilient p...

Quantum Physics

Quantum Mpemba Effect Induced by Non-Markovian Exceptional Points

Ze-Zhou Zhang, Hong-Gang Luo, Wei Wu·Nov 17, 2025

Quantum Mpemba effect describes an anomalous phenomenon of accelerated relaxation which is of fundamental interest in the field of nonequilibrium thermodynamics. Conventional theories on this phenomenon strongly rely on the Born-Markovian approximati...

Quantum Physics

MM-Telco: Benchmarks and Multimodal Large Language Models for Telecom Applications

Anshul Kumar, Gagan Raj Gupta, Manish Rai +8 more·Nov 17, 2025

Large Language Models (LLMs) have emerged as powerful tools for automating complex reasoning and decision-making tasks. In telecommunications, they hold the potential to transform network optimization, automate troubleshooting, enhance customer suppo...

AIcs.CVEmerging Techcs.NI

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

Topological enhancement of a PT-symmetric Su-Schrieffer-Heeger quantum battery

A-Long Zhou, Ya-Wen Xiao, Nuo Xu +5 more·Nov 17, 2025

We investigate a non-Hermitian quantum battery based on the Su-Schrieffer-Heeger (SSH) lattice, charged through a parity-time (PT)-symmetric protocol that alternates gain and loss between the two sublattices. The interplay between lattice topology an...

Quantum Physics

Topological Phases in Non-Hermitian Nonlinear-Eigenvalue Systems

Yu-Peng Ma, Ming-Jian Gao, Jun-Hong An·Nov 17, 2025

The discovery of topological phases has ushered in a new era of condensed matter physics and revealed a variety of natural and artificial materials. They obey the bulk-boundary correspondence (BBC), which guarantees the emergence of boundary states w...

cond-mat.otherQuantum Physics

Quantum lattice Boltzmann method for several time steps: A local Carleman linearization algorithm

Antonio David Bastida Zamora, Ljubomir Budinski, Valtteri Lahtinen +1 more·Nov 17, 2025

This article presents a novel encoding for quantum Lattice Boltzmann method algorithm using Carleman linearization. In contrast to previous articles \cite{Sanavio2024LatticeBC,sanavio2025carleman}, the encoding used allows for local collision rules w...

Quantum Physics

A Fractional Calculus Framework for Open Quantum Dynamics: From Liouville to Lindblad to Memory Kernels

Bo Peng, Yu Zhang·Nov 17, 2025

Open quantum systems exhibit dynamics ranging from unitary evolution to irreversible dissipation. While the Gorini--Kossakowski--Sudarshan--Lindblad (GKSL) equation uniquely characterizes Markovian CPTP evolution, many physical platforms display non-...

Quantum Physics
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