Publications (37)
IstGPT: LLM-based Anomaly Detection for Spatial-Temporal Graph in Industrial Systems
Yuchen Zhang, Ning Xi, Pengbin Feng +5
Industrial Internet systems face increasing threats from sophisticated industrial control system (ICS) attacks, resulting in critical safety incidents. However, existing tools exhi…
ARTEMIS: Autoregressive End-to-End Trajectory Planning with Mixture of Experts for Autonomous Driving
Renju Feng, Ning Xi, Duanfeng Chu +6
This paper presents ARTEMIS, an end-to-end autonomous driving framework that combines autoregressive trajectory planning with Mixture-of-Experts (MoE). Traditional modular methods…
Prospects for Money Transfer Models
Yougui Wang, Ning Ding, Ning Xi
Recently, in order to explore the mechanism behind wealth or income distribution, several models have been proposed by applying principles of statistical mechanics. These models sh…
How Required Reserve Ratio Affects Distribution and Velocity of Money
Ning Xi, Ning Ding, Yougui Wang
In this paper the dependence of wealth distribution and the velocity of money on the required reserve ratio is examined based on a random transfer model of money and computer simul…
Dynamical signatures of the one-dimensional deconfined quantum critical point
Ning Xi, Rong Yu
We study the critical scaling and dynamical signatures of fractionalized excitations at two different deconfined quantum critical points (DQCPs) in an spin chain by using…
Plaquette Singlet Transition, Magnetic Barocaloric Effect, and Spin Supersolidity in the Shastry-Sutherland Model
Junsen Wang, Han Li, Ning Xi +4
Inspired by recent experimental measurements [Guo \textit{et al.}, Phys. Rev. Lett.~\textbf{124}, 206602 (2020); Jiménez \textit{et al.}, Nature \textbf{592}, 370 (2021)] on frust…
Cultural evolution and personalization
Ning Xi, Zi-Ke Zhang, Yi-Cheng Zhang
In social sciences, there is currently no consensus on the mechanism for cultural evolution. The evolution of first names of newborn babies offers a remarkable example for the rese…
Effects of Saving and Spending Patterns on Holding Time Distribution
Ning Ding, Ning Xi, Yougui Wang
The effects of saving and spending patterns on holding time distribution of money are investigated based on the ideal gas-like models. We show the steady-state distribution obeys a…
Magnetocaloric Effect of Topological Excitations in Kitaev Magnets
Han Li, Enze Lv, Ning Xi +4
Traditional magnetic sub-Kelvin cooling relies on the nearly free local moments in hydrate paramagnetic salts, whose utility is hampered by the dilute magnetic ions and low thermal…
Information flow based defensive chain for data leakage detection and prevention: a survey
Ning Xi, Chao Chen, Jun Zhang +4
Mobile and IoT applications have greatly enriched our daily life by providing convenient and intelligent services. However, these smart applications have been a prime target of adv…
Muscle Activation Estimation by Optimizing the Musculoskeletal Model for Personalized Strength and Conditioning Training
Xi Wu, Chenzui Li, Kehan Zou +2
Musculoskeletal models are pivotal in the domains of rehabilitation and resistance training to analyze muscle conditions. However, individual variability in musculoskeletal paramet…
D-MoE:Dual Disentangled Diffusion Mixture-of-Experts for Style-Controllable End-to-End Autonomous Driving
Renju Feng, Rukang Wang, Ning Xi +4
Traditional end-to-end autonomous driving frameworks frequently suffer from the "style-averaging" dilemma when trained on high-variance human demonstrations, yielding homogenized,…
First-order transition between the plaquette valence bond solid and antiferromagnetic phases of the Shastry-Sutherland model
Ning Xi, Hongyu Chen, Z. Y. Xie +1
We study the ground state phase diagram of the Shastry-Sutherland model by using the variational optimization of the infinite tensor network states, and find a weakly first-order t…
Quantum Supercritical Regime with Universal Magnetocaloric Scaling in Ising Magnets
Enze Lv, Ning Xi, Yuliang Jin +1
Quantum critical points ubiquitously emerge in strongly correlated systems, with their influence persisting at finite temperatures and external fields. A paradigmatic example is th…
GalSAS-SDR-SIM: An End-to-End Simulation Platform for Galileo Signal Authentication Service
Haiyang Wang, Yuanyu Zhang, Wensen Du +3
Galileo is developing a Signal Authentication Service (SAS) that integrates Open Service Navigation Message Authentication (OSNMA) on the E1 band with Spreading Code Authentication…
Practical Spoofing Attacks against Galileo OSNMA with Time-Synchronization Manipulation
Haiyang Wang, Yuanyu Zhang, Yangke Tan +6
Galileo launched the Open Service Navigation Message Authentication (OSNMA) to defend against spoofing attacks. This paper identifies an artificially manipulated time synchronizati…
Dipolar Spin Liquid Ending with Quantum Critical Point in a Gd-based Triangular Magnet
Junsen Xiang, Cheng Su, Ning Xi +12
By performing experiment and model studies on a triangular-lattice dipolar magnet KBaGd(BO) (KBGB), we find the highly frustrated magnet with a planar anisotropy hosts a st…
The Economic Mobility in Money Transfer
Ning Ding, Ning Xi, Yougui Wang
In this paper, we investigate the economic mobility in some money transfer models which have been applied into the research on wealth distribution. We demonstrate the mobility by r…
RKKY-dipolar Interactions and 3D Spin Supersolid on Stacked Triangular Lattice
Ning Xi, Xitong Xu, Guoliang Wu +9
Inspired by the recent discovery of metallic spin supersolidity and its giant magnetocaloric effect in the rare-earth alloy EuCoAl [Nature 651, 61 (2026)], we perform a com…
Observation of a 1/3 Magnetisation Plateau Phase as Evidence for the Kitaev Interaction in a Honeycomb-Lattice Antiferromagnet
Yanyan Shangguan, Song Bao, Zhao-Yang Dong +24
Fractional magnetisation plateaus, in which the magnetisation is pinned at a fraction of its saturated value within a range of external magnetic field, are spectacular macroscopic…
Emergent spectrum and topological soliton excitation in CoNbO
Ning Xi, Xiao Wang, Yunjing Gao +3
Quantum integrability emerging near a quantum critical point (QCP) is manifested by exotic excitation spectrum that is organized by the associated algebraic structure. A well known…
Spinons, solitons and random singlets in the spin-chain compound copper benzoate
Ying Chen, Guijing Duan, Yuejiu Zhao +15
The antiferromagnetic Heisenberg chain is a paradigmatic quantum system hosting exotic excitations such as spinons and solitons, and forming random singlet state in the pre…
Emergent criticality in fully frustrated quantum magnets
Yuchen Fan, Ning Xi, Changle Liu +2
Phase transitions in condensed matter are often linked to exotic emergent properties. We study the fully frustrated bilayer Heisenberg antiferromagnet to demonstrate that an applie…
Electrical Transport and Quantum Oscillations in the Metallic Spin Supersolid EuCo2Al9
Xitong Xu, Yonglai Liu, Ning Xi +16
The discovery of spin supersolid and its giant magnetocaloric effect has opened a new arena in frustrated quantum magnets and cutting-edge cryogenics. The intermetallic EuCo2Al9 (E…
Giant Magnetocaloric Effect in Spin Supersolid Candidate NaBaCo(PO)
Junsen Xiang, Chuandi Zhang, Yuan Gao +16
Supersolid, an exotic quantum state of matter that consists of particles forming an incompressible solid structure while simultaneously showing superfluidity of zero viscosity [1],…
Rethinking LoRA for Privacy-Preserving Federated Learning in Large Models
Jin Liu, Yinbin Miao, Ning Xi +1
Fine-tuning large vision models (LVMs) and large language models (LLMs) under differentially private federated learning (DPFL) is hindered by a fundamental privacy-utility trade-of…
Emergent O(4) symmetry at an one-dimensional deconfined quantum tricritical point
Ning Xi, Rong Yu
We show an symmetry emerges at a deconfined quantum tricritical point of a valence bond solid and two ferromagnetic phases in an frustrated spin chain by combi…
Nature of the 1/9-magnetization plateau in the spin-1/2 kagome Heisenberg antiferromagnet
Da-zhi Fang, Ning Xi, Shi-Ju Ran +1
The nature of the 1/9-magnetization plateau of the spin-1/2 kagome Heisenberg antiferromagnet remains controversial due to the exotic physical properties and high complexity induce…
CToMP: A Cycle-task-oriented Memory Protection Scheme for Unmanned Systems
Chengyan Ma, Ning Xi, Di Lu +2
Memory corruption attacks (MCAs) refer to malicious behaviors of system intruders that modify the contents of a memory location to disrupt the normal operation of computing systems…
DP-FedAdamW: An Efficient Optimizer for Differentially Private Federated Large Models
Jin Liu, Yinbin Miao, Ning Xi +1
Balancing convergence efficiency and robustness under Differential Privacy (DP) is a central challenge in Federated Learning (FL). While AdamW accelerates training and fine-tuning…
Suppressing nano-scale stick-slip motion by feedback
Jing Zhang, Re-Bing Wu, Lei Miao +4
When a micro cantilever with a nano-scale tip is manipulated on a substrate with atomic-scale roughness, the periodic lateral frictional force and stochastic fluctuations may induc…
Thermal Tensor Network Approach for Spin-Lattice Relaxation in Quantum Magnets
Ning Xi, Yuan Gao, Chengchen Li +4
Low-dimensional quantum magnets, particularly those with strong spin frustration, are characterized by their notable spin fluctuations. Nuclear magnetic resonance (NMR) serves as a…
Ultra-sensitive Flexible Sponge-Sensor Array for Muscle Activities Detection and Human Limb Motion Recognition
Jiao Suo, Yifan Liu, Clio Cheng +7
Human limb motion tracking and recognition plays an important role in medical rehabilitation training, lower limb assistance, prosthetics design for amputees, feedback control for…
Berezinskii-Kosterlitz-Thouless Quantum Supercriticality in XXZ Heisenberg Spin Chain
Haoshun Chen, Enze Lv, Ning Xi +2
Quantum fluctuations can give rise to a singular quantum critical point (QCP) in the ground state, whose influence extends to finite temperatures, forming a quantum critical regime…
Spin dynamics and dark particle in a weak-coupled quantum Ising ladder with spectrum
Yunjing Gao, Xiao Wang, Ning Xi +3
Emergent Ising integrability is anticipated in a quantum Ising ladder composed of two weakly-coupled critical transverse field Ising chains. The system is remarkable for incl…
Scalable second-order consensus of hierarchical groups
Jiamin Wang, Jian Liu, Feng Xiao +2
Motivated by widespread dominance hierarchy, growth of group sizes, and feedback mechanisms in social species, we are devoted to exploring the scalable second-order consensus of hi…
Proximate deconfined quantum critical point in SrCu2(BO3)2
Yi Cui, Lu Liu, Huihang Lin +10
The deconfined quantum critical point (DQCP) represents a paradigm shift in quantum matter studies, presenting a "beyond Landau" scenario for order--order transitions. Its experime…