Former PhD student
Email: xzhangzh.zhang@ugent.be
Present Position
Postdoctoral fellow, Ghent University, Belgium
Google Scholar
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 Sep - 2024 Aug | The University of Hong Kong PhD in Physics |
| 2015 - 2019 | Nankai University Bachelor of Science, Physics |
Employment & Exchange Experience
| 2023 | University of Michigan ICAM QuantEmX Junior Short-Term Visitor, Host: Kai Sun |
| 2019 - 2020 | Institute of Physics, Chinese Academy of Sciences Research Assistant, Advisors: Jiangping Hu, Zi Yang Meng |
Publications
| 2025 | “Angle-Tuned Gross-Neveu Quantum Criticality in Twisted Bilayer Graphene: A Quantum Monte Carlo Study” Cheng Huang, Nikolaos Parthenios, Maksim Ulybyshev, Xu Zhang, Fakher F. Assaad, Laura Classen, and Zi Yang Meng Nat Commun 16, 7176 (2025) arXiv:2412.11382 |
| 2025 | “Magnetic Bloch States at Integer Flux Quanta Induced by Super-moiré Potential in Graphene Aligned with Twisted Boron Nitride” Yaqi Ma, Meizhen Huang, Xu Zhang, Weixiong Hu, Zishu Zhou, Kai Feng, Wenhui Li, Yong Chen, Chenxuan Lou, Weikang Zhang, Haoxi Ji, Yibo Wang, Zefei Wu, Xiaodong Cui, Wang Yao, Shichao Yan, Zi Yang Meng, Ning Wang Nat. Commun. 16, 1860 (2025) arXiv:2502.07283 |
| 2024 | “Emergent Conformal Symmetry at the Multicritical Point of (2+1)D SO(5) Model with Wess-Zumino-Witten Term on Sphere” Bin-Bin Chen, Xu Zhang, Zi Yang Meng Phys. Rev. B 110, 125153 (2024) arXiv:2405.04470 |
| 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 (2024) arXiv:2311.03448 |
| 2024 | “Phases of (2+1)D SO(5) non-linear 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 Phys. Rev. Lett. 132,246503 (2024) arXiv:2307.05307 |
| 2024 | “Experimental Evidence for a Berry Curvature Quadrupole in an Antiferromagnet” Soumya Sankar, Ruizi Liu, Cheng-Ping Zhang, Qi-Fang Li, Caiyun Chen, Xue-Jian Gao, Jiangchang Zheng, Yi-Hsin Lin, Kun Qian, Ruo-Peng Yu, Xu Zhang, Zi Yang Meng, Kam Tuen Law, Qiming Shao, and Berthold Jäck Phys. Rev. X 14, 021046 (2024) arXiv:2307.05307 |
| 2023 | “Third-order anomalous Hall response to the Fermi-surface topology in magnetic materials” X Zhang, K Sun, ZY Meng Phys. Rev. B 110, 165140 (2024) arXiv:2303.00819 |
| 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 Phys. Rev. B 109, 125404 (2024) arXiv:2304.14064 |
| 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 Phys. Rev. B 106, 184517 (2022) arXiv:2111.10018 |
| 2022 | “Fermion sign bounds theory in quantum Monte Carlo simulation” X Zhang, G Pan, XY Xu, ZY Meng Phys. Rev. B 106, 035121 (2022) arXiv:2112.06139 |
| 2022 | “Dynamical properties of collective excitations in twisted bilayer graphene” G Pan, X Zhang, H Li, K Sun, ZY Meng Phys. Rev. B 105, L121110 (2022) 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, 077305 (2021) arXiv:2105.07010 |
Novel
| 2022 | 阿龙探案蒙特卡洛符号问题 Start reading |
Research News
| 2025 | 从《马说》到《Super-moire 说》Start reading |
| 2024 | Bye, Mr. Zhang Start reading |
| 2023 | Unlock Tunable Nonlinear Hall Effect in Twisted Bilayer Graphene Start reading |