Publications (18)
NMR study of supersolid phases in the triangular-lattice antiferromagnet Na2BaCo(PO4)2
Xiaoyu Xu, Zhanlong Wu, Ying Chen +10
We report ultra-low-temperature Na NMR measurements on the Ising triangular lattice antiferromagnet NaBaCo(PO), which precisely resolve the phase diagram under m…
NMR evidence of spinon localization in kagome antiferromagnet YCu(OH)Br[Br(OH)]
Shuo Li, Yi Cui, Zhenyuan Zeng +9
We performed nuclear magnetic resonance studies on a kagome antiferromagnet YCu(OH)Br[Br(OH)]. No significant NMR spectral broadening is found in the Br c…
Quantum Reinforcement Learning-Based Two-Stage Unit Commitment Framework for Enhanced Power Systems Robustness
Xiang Wei, Ziqing Zhu, Linghua Zhu +5
Unit commitment (UC) optimizes the start-up and shutdown schedules of generating units to meet load demand while minimizing costs. However, the increasing integration of renewable…
Phase transitions associated with magnetic-field induced topological orbital momenta in a non-collinear antiferromagnet
Sihao Deng, Olena Gomonay, Jie Chen +12
Resistivity measurements are widely exploited to uncover electronic excitations and phase transitions in metallic solids. While single crystals are preferably studied to explore cr…
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…
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…
Applications of Reinforcement Learning in Deregulated Power Market: A Comprehensive Review
Ziqing Zhu, Ze Hu, Ka Wing Chan +3
The increasing penetration of renewable generations, along with the deregulation and marketization of power industry, promotes the transformation of power market operation paradigm…
Evidence of the Berezinskii-Kosterlitz-Thouless Phase in a Frustrated Magnet
Ze Hu, Zhen Ma, Yuan-Da Liao +10
The Berezinskii-Kosterlitz-Thouless (BKT) mechanism, building upon proliferation of topological defects in 2D systems, is the first example of phase transition beyond the Landau-Gi…
Molecular intercalation in the van der Waals antiferromagnets FePS3 and NiPS3
Cong Li, Ze Hu, Xiaofei Hou +13
We have performed electrochemical treatment of the van der Waals antiferromagnetic materials FePS and NiPS with the ionic liquid EMIM-BF, achieving significant molecula…
Crystalline electric field excitations in Weyl semimetal \textit{R}AlSi (\textit{R} = Ce, Pr and Nd)
Lin Yang, Yili Sun, Xiutong Deng +17
The rare earth intermetallic system \textit{R}Al\textit{X} (\textit{R} = rare earth elements, \textit{X} = Si and Ge) is known to be a promising candidate of magnetic Weyl semimeta…
An Imitation Learning Based Algorithm Enabling Priori Knowledge Transfer in Modern Electricity Markets for Bayesian Nash Equilibrium Estimation
Ziqing Zhu, Ka Wing Chan, Siqi Bu +2
The Nash Equilibrium (NE) estimation in bidding games of electricity markets is the key concern of both generation companies (GENCOs) for bidding strategy optimization and the Inde…
Advancing Hybrid Quantum Neural Network for Alternative Current Optimal Power Flow
Ze Hu, Ziqing Zhu, Linghua Zhu +3
Alternative Current Optimal Power Flow (AC-OPF) is essential for efficient power system planning and real-time operation but remains an NP-hard and non-convex optimization problem…
Techno-Economic Modeling and Safe Operational Optimization of Multi-Network Constrained Integrated Community Energy Systems
Ze Hu, Ka Wing Chan, Ziqing Zhu +3
The integrated community energy system (ICES) has emerged as a promising solution for enhancing the efficiency of the distribution system by effectively coordinating multiple energ…
Haldane phase, field-induced magnetic ordering and Tomonaga-Luttinger liquid behavior in a spin-one chain compound NiCO2NH
Shuo Li, Zhanlong Wu, Yanhong Wang +12
We performed single-crystal magnetic susceptibility and H NMR measurements on a quasi-1D, spin-1 antiferromagnet NiCO2NH, with temperature down to 100 mK and…
Low-energy spin dynamics in a Kitaev material Na3Ni2BiO6 investigated by NMR
Xinyu Shi, Yi Cui, Yanyan Shangguan +11
We performed 23Na NMR and magnetization measurements on an S = 1, quasi-2D honeycomb lattice antiferromagnet Na3Ni2BiO6. A large positive Curie-Weiss constant of 22.9 K is observed…
A deep learning approach for predicting the quality of online health expert question-answering services
Ze Hu, Zhan Zhang, Qing Chen +2
Currently, a growing number of health consumers are asking health-related questions online, at any time and from anywhere, which effectively lowers the cost of health care. The mos…
Spin-orbit phase behaviors of Na2Co2TeO6 at low temperatures
Wenjie Chen, Xintong Li, Zhenhai Hu +9
We present a comprehensive study of single crystals of Na2Co2TeO6, a putative Kitaev honeycomb magnet, focusing on its low-temperature phase behaviors. A new thermal phase transiti…
Field-induced phase transitions and quantum criticality in a honeycomb antiferromagnet Na3Co2SbO6
Ze Hu, Yue Chen, Yi Cui +10
We performed 23Na NMR measurements on a single-domain crystal of the Kitaev material Na3Co2SbO6, with magnetic field applied along the crystalline a axis. A positive Curie-Weiss co…