2003.09-2007.07, Harbin Institute of Technology, Bachelor of Engineering in Electronic Science and Technology

2007.09-2012.07, Institute of Theoretical Physics, Chinese Academy of Sciences, Doctor of Science in Theoretical Physics

2012.09-2015.09, Postdoctoral Fellow, Laboratory of Condensed Matter Theory and Materials Computation, Institute of Physics, Chinese Academy of Sciences

2015.10-2023.07, Associate Professor, Department of Physics, Renmin University of China

2023.08-present. Professor, Department of Physics, Renmin University of China

1. Many-body calculation methods based on numerical renormalization group and their applications in strongly correlated electron systems, phase transitions, and critical systems

2. Low-dimensional quantum magnetic systems, such as spin liquids and novel topological quantum states

3. Cross-disciplinary fields of tensor networks with neural networks, quantum computing, density functional theory, etc.

1. 4 graduated master's students, 2 Ph.D. students (jointly supervised), and 5 current Ph.D. students.

2. I plan to enroll 1 Ph.D. student annually in the coming years, focusing on key theoretical and computational problems in the research field.

3. Welcome applicants with a solid mathematical-physical foundation, enthusiasm for programming & algorithms, and dedication to pursuing a Ph.D. degree. For details, please contact qingtaoxie.at.ruc.edu.cn.

4. research projects

China Postdoctoral Science Foundation (Batch 55, First-Class Funding, PI)

Renmin University of China Research Fund (One New Faculty Startup Fund, One Key Pre-Research Entrusted Project, PI)

National Natural Science Foundation of China (General Program, two projects, PI)

National Key R&D Program of China (two projects, core member)

For details, please contact qingtaoxie.at.ruc.edu.cn.

1. First-order transition between the plaquette valence bond solid and antiferromagnetic phases of the 

Shastry-Sutherland model,

Ning Xi, Hongyu Chen, Z. Y. Xie, Rong Yu, Phys. Rev. B (Letter) 107, L220408 (2023)

2.Long-range spin-orbital order in the spin-orbital SU(2)×SU(2)×U(1) model,

Yang Liu, Z. Y. Xie, Hong-Gang Luo, Jize Zhao, Phys. Rev. B (Letter) 107, L041106 (2023)

3.Emergent topological orders and phase transitions in lattice Chern-Simons theory of quantum magnets

Rui Wang, Z. Y. Xie, Baigeng Wang, Tigran Sedrakyan, Phys. Rev. B (Letter) 106, L121117 (2022)

4.Variational corner transfer matrix renormalization group method for classical statistical models

X. F. Liu, Y. F. Fu, W. Q. Yu, J. F. Yu, Z. Y. Xie

Chin. Phys. Lett. (Express Letter, Cover Story) 39, 067502 (2022), 

5. Automatic differentiation for second renormalization of tensor networks

B. B. Chen, Y. Gao, Y. B. Guo, Y. Liu, H. H. Zhao, H. J. Liao, L. Wang, T. Xiang, W. Li, Z. Y. Xie

Phys. Rev. B 101, 220409(R) (2020), Rapid Communications

6. Optimized contraction scheme for tensor-network states

Z. Y. Xie, H. J. Liao, R. Z. Huang, H. D. Xie, J. Chen, Z. Y. Liu, T. Xiang

Phys. Rev. B. 96, 045128 (2017)

7.Gapless spin-liquid ground state in the S=1/2 kagome antiferromagnet

H. J. Liao, Z. Y. Xie, J. Chen, Z. Y. Liu, H. D. Xie, R. Z. Huang, B. Normand, T. Xiang

Phys. Rev. Lett. 118, 137202 (2017), Editors' Suggestion

8.Tensor renormalization of quantum many-body systems using projected entangled simplex states,
Z. Y. Xie, J. Chen, J. F. Yu, X. Kong, B. Normand, and T. Xiang, Phys. Rev. X 4, 011025(2014).

9.Coarse graining tensor renormalization by the higher-order singular value decomposition,
Z. Y. Xie, J. Chen, M. P. Qin, J. W. Zhu, L. P. Yang, and T. Xiang, Phys. Rev. B 86, 045139(2012).

10.Renormalization of tensor-network states,
H. H. Zhao, Z. Y. Xie, Q. N. Chen, Z. C. Wei, J. W. Cai, and T. Xiang, 

Phys. Rev. B 81, 174411(2010), Editor's suggestion.

11.Second Renormalization of Tensor-network States,
Z. Y. Xie, H. C. Jiang, Q. N. Chen, Z. Y. Weng, and T. Xiang, Phys. Rev. Lett. 103, 160601(2009).