PhD candidate
Department of Physics, HKU
Room 418, CYM Physics Building
Email: zx0417@connect.hku.hk
Research interest
· Strongly Correlated System: Numerical solution based on quantum Monte Carlo and Density Matrix Renormalization Group
· Quantum Flat Band System: Analytical and numerical computation on ground state and finite temperaure property, transport and phase transition
Education
| 2020 - present | The University of Hong Kong PhD student, Physics |
| 2015 - 2019 | Nankai University Bachelor of Science, Physics |
Employment & Exchange Experience
| 2019 - 2020 | Institute of Physics, Chinese Academy of Sciences Research Assistant, Advisors: Jiangping Hu, Zi Yang Meng |
| 2023 | University of Michigan ICAM QuantEmX Junior Short-Term Visitor, Host: Kai Sun |
Publications
| 2024 | “Integral algorithm of exponential observables for interacting fermions in quantum Monte Carlo simulations” Xu Zhang, Gaopei Pan, Bin-Bin Chen, Kai Sun, and Zi Yang Meng Phys. Rev. B 109.205147 arXiv:2311.03448 |
| 2024 | “Experimental Evidence for a Berry Curvature Quadrupole in an Antiferromagnet” S Sankar, R Liu, CP Zhang, QF Li, C Chen, XJ Gao, J Zheng, YH Lin, ... Physical Review X 14 (2), 021046 |
| 2024 | “Phases of (2+1)D SO(5) Nonlinear Sigma Model with a Topological Term on a Sphere: Multicritical Point and Disorder Phase” Bin-Bin Chen, Xu Zhang, Yuxuan Wang, Kai Sun, Zi Yang Meng Physical Review Letters 132 (24), 246503 arXiv:2307.05307 |
| 2024 | “Evolution from quantum anomalous Hall insulator to heavy-fermion semimetal in twisted bilayer graphene” Cheng Huang, Xu Zhang, Gaopei Pan, Heqiu Li, Kai Sun, Xi Dai, Zi Yang Meng Physical Review B 109 (12), 125404 arXiv:2304.14064 |
| 2023 | “The "Sign problem" of the 3rd order anomalous Hall effect in topological magnetic materials” X Zhang, K Sun, ZY Meng arXiv:2303.00819 |
| 2023 | “Polynomial sign problem and topological Mott insulator in twisted bilayer graphene” X Zhang, G Pan, BB Chen, H Li, K Sun, ZY Meng Phys. Rev. B 107, L241105 arXiv:2210.11733 |
| 2023 | “Intrinsic Nonlinear Hall Effect and Gate-Switchable Berry Curvature Sliding in Twisted Bilayer Graphene” M Huang, Z Wu, X Zhang, X Feng, Z Zhou, S Wang, Y Chen, C Cheng, ... Phys. Rev. Lett. 131, 066301 (2023) Editors' Suggestion arXiv:2212.12666 |
| 2023 | “Thermodynamic Characteristic for a Correlated Flat-Band System with a Quantum Anomalous Hall Ground State” G Pan, X Zhang, H Lu, H Li, BB Chen, K Sun, ZY Meng Phys. Rev. Lett. 130, 016401 (2023) arXiv:2207.07133 |
| 2022 | “Superconductivity and bosonic fluid emerging from moiré flat bands” X Zhang, K Sun, H Li, G Pan, ZY Meng Physical Review B 106 (18), 184517 arXiv:2111.10018 |
| 2022 | “Fermion sign bounds theory in quantum Monte Carlo simulation” X Zhang, G Pan, XY Xu, ZY Meng Physical Review B 106 (3), 035121 arXiv:2112.06139 |
| 2022 | “Dynamical properties of collective excitations in twisted bilayer graphene” G Pan, X Zhang, H Li, K Sun, ZY Meng Physical Review B 105 (12), L121110 arXiv:2108.12559 |
| 2021 | “Momentum space quantum monte carlo on twisted bilayer graphene” X Zhang, G Pan, Y Zhang, J Kang, ZY Meng Chinese Physics Letters 38 (7), 077305 arXiv:2105.07010 |
Novel
| 2022 | 阿龙探案蒙特卡洛符号问题 Start reading |
Research News
| 2023 | Unlock Tunable Nonlinear Hall Effect in Twisted Bilayer Graphene Start reading |