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๐Ÿ” hua qi ๐Ÿ“‚ Physics
Showing 1327 results for "hua qi" in Physics
Physics Preprint PDF DOI

The link between coil non planarity and magnetic surface geometry in QI stellarators: a data driven study

Andrea Pavone, Felix Warmer ยท 2026

Stellarator fusion devices confine plasma by means of complex, non-planar electromagnetic coils. Understanding how the shape of the plasma boundary determines the required complexity of the coil set iโ€ฆ

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Inferring bifurcation diagrams of two distinct chaotic systems by a single machine

Jianmin Guo, Yao Du, Yizhen Yu, Yong Zou, Xingang Wang ยท 2026

We propose a dual-channel reservoir-computing scheme for inferring the dynamics of two distinct chaotic systems with a single machine. By augmenting a standard reservoir with a system-label channel anโ€ฆ

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A unified quantum random walk model for internal crystal effects in dynamical diffraction

Owen Lailey, Dusan Sarenac, David G. Cory, Michael G. Huber, Dmitry A. Pushin ยท 2026

The theory of dynamical diffraction (DD) in perfect crystals is the backbone of high-precision neutron and X-ray diffraction experiments, enabling accurate determination of crystal structure factors aโ€ฆ

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Calibrating the Role of Entanglement in Variational Quantum Algorithms from a Geometric Perspective

Chunxiao Du, Yang Zhou, Zhichen Huang, Rui Li, Zheng Qin, Shikun Zhang, Zhisong Xiao ยท 2026

Calibrating the role of entanglement in quantum algorithms is a crucial task in the development of quantum computing. Most existing studies have primarily focused on how the static properties of entanโ€ฆ

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Quiescent and flaring states of three active stars: V834 Tau, LQ Hya, and BY Dra

Gurpreet Singh, Jeewan C. Pandey, Subhajeet Karmakar ยท 2026

We present a detailed X-ray study of the quiescent and flaring coronae of three active main-sequence K-type stars, V834 Tau, LQ Hya, and BY Dra, using \textit{XMM-Newton} observations. The quiescent cโ€ฆ

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Physics Preprint PDF DOI

3D near-de Sitter gravity and the soft mode of DSSYK

Tommaso Marini, Xiao-Liang Qi, Herman Verlinde ยท 2026

We present a dual gravity interpretation of the complex reparametrization mode $\psi(u)$ that governs the soft dynamics of double-scaled SYK in the presence of a time-dependent Maldacena-Qi coupling. โ€ฆ

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Physics Preprint PDF DOI

A quantum frequency conversion hub interfacing with DWDM networks

Masatake Yamada, Kurama Hirano, Masahiro Yabuno, Shigehito Miki, Tsuyoshi Kodama, Hideki Shimoi, Takashi Yamamoto, Rikizo Ikuta ยท 2026

Interconnecting heterogeneous quantum systems is an important step toward realizing the quantum internet. We propose a quantum network hub that interfaces local quantum devices with dense wavelength-dโ€ฆ

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Extreme events in MLC circuit

Tapas Kumar Pa, Dibakar Ghosh ยท 2026

The Murali-Lakshmanan-Chua (MLC) circuit is a well-recognized prominent nonlinear, nonautonomous, and dissipative electronic circuit having a versatile chaotic nature. Unraveling the dynamical synergyโ€ฆ

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Landauer-based study of transport in Chern insulator heterostructures

J. Luna-Ramos, A. Martin-Ruiz ยท 2026

We study charge transport through a trivial-topological-trivial junction described by the continuous Qi-Wu-Zhang model, which realizes a two-dimensional Chern-insulating phase. The central region is tโ€ฆ

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Understanding Quantum Instruments

Akel Hashim ยท 2026

The quantum instrument (QI) formalism is required to model mid-circuit measurements (MCMs) and the dependence of the post-measurement state on the measurement outcome. Correctly modeling QIs is essentโ€ฆ

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Distributed Learning of Quantum State Tomography Robust to Readout Errors

Amirhossein Taherpour, Alireza Sadeghi, Georgios B. Giannakis ยท 2026

Scalable estimation of quantum states with readout errors is a central challenge in large multiqubit systems. Existing overlapping-tomography methods improve scalability by working with local subsysteโ€ฆ

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Enhanced quantum illumination of a lossy target: A sequential interaction model

Shilpi Srivastava, Shubhrangshu Dasgupta ยท 2026

The effectiveness of quantum illumination (QI) of a lossy target is investigated in a realistic setting in which the signal sequentially interacts with a noisy environment and the target. The target iโ€ฆ

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Hierarchical localization in disordered Apollonian networks

Eduardo M. K. Souza, Francisco A. B. F. de Moura, Guilherme M. A. Almeida ยท 2026

We investigate localization properties of the Apollonian network (AN) in the presence of diagonal and off-diagonal disorder. By employing a site-resolved localization measure, we show that the localizโ€ฆ

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Adaptive H-EFT-VA: A Provably Safe Trajectory Through the Trainability-Expressibility Landscape of Variational Quantum Algorithms

Eyad I. B. Hamid ยท 2026

H-EFT-VA established a physics-informed solution to the Barren Plateau (BP) problem via a hierarchical EFT UV-cutoff, guaranteeing gradient variance in Omega(1/poly(N)). However, localization restrictโ€ฆ

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Local topological markers for Chern insulators in ribbon geometry

Maks Repse, Tomaz Rejec, Jernej Mravlje ยท 2026

Local topological markers are used to characterize Chern insulators in the presence of spatial inhomogeneities, such as boundaries and disorder. In this paper, we study the local Chern marker in systeโ€ฆ

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Tantalum-Encapsulated Niobium Superconducting Resonators: High Internal Quality Factor and Improved Temporal Stability via Surface Passivation

Anas Alkhazaleh, Juan Villegas, Florent Ravaux, Alexey Zharinov ยท 2026

Superconducting coplanar waveguide resonators are essential components in quantum processors, where their internal quality factor (Qi) constrains qubit coherence and readout fidelity. In niobium devicโ€ฆ

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Quantum Learning of Classical Correlations with continuous-domain Pauli Correlation Encoding

Vicente P. Soloviev, Bibhas Adhikari ยท 2026

We propose a quantum machine learning framework for estimating classical covariance matrices using parameterized quantum circuits within the Pauli-Correlation-Encoding (PCE) paradigm. We introduce twoโ€ฆ

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Understanding Intrinsic Loss in Thin-Film Lithium Niobate Ring Resonators via Adiabatic Coupling

Xinrui Zhu, Hana K. Warner, Yunxiang Song, Donald Witt, Marko Loncar ยท 2026

Thin-film lithium niobate (TFLN) has emerged as a versatile integrated photonics platform, combining strong electro-optic and nonlinear effects. Among TFLN devices, ring resonators play a central roleโ€ฆ

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Analysing Turbulent Energy Cascade in a Coronal Mass Ejection using Empirical Mode Decomposition

Akanksha Dagore, Giuseppe Prete, Vincenzo Capparelli, Vincenzo Carbone, Fabio Lepreti ยท 2026

Coronal mass ejections (CMEs) are large-scale expulsions of plasma and magnetic flux from the Sun's corona into the heliosphere. In interplanetary space they are referred to as interplanetary CMEs (ICโ€ฆ

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Laser-generated CuPdAgPtAu High-Entropy Alloy Nanoparticles -- Thermal Segregation Threshold and Elemental Segregation

Felix Pohl, Robert Stuckert, Florent Calvo, Oleg Prymak, Christoph Rehbock, Ulrich Schurmann, Stephan Barcikowski, Lorenz Kienle ยท 2026

High-entropy alloy nanoparticles synthesized via laser ablation in liquid are promising for catalysis due to their ability to form simple solid solutions despite chemical complexity. In this study, noโ€ฆ

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