Yang Qi

Researcher
Department of Physics, Fudan University
Shanghai, China

Education

2005 - 2010

PhD: Department of Physics, Harvard University, Cambridge MA, USA.; Advisor; Subir Sachdev; Thesis; Spin and charge fluctuations in strongly correlated systems.

2001-2005

BS: Department of Physics, Tsinghua University, Beijing, China.

Employment

2017 onwards

Researcher: Department of Physics, Fudan University, Shanghai, China.

2016-2017

Postdoc: Department of Physics, Massachusetts Institute of Technology, Cambridge MA, USA; Advisor; Liang Fu and Senthil Todadri.

2014-2016

Visiting Professor: Perimeter Institute for Theoretical Physics, Waterloo ON, Canada.

2010-2014

Associate Researcher: Institute for Advanced Study, Tsinghua University, Beijing, China.

May-Aug 2006

Internship: Schlumberger-Doll Research, Ridgefield, CT, USA.; Supervisor; Denise Freed and Pabitra Sen.

Publications

Stacking group structure of fermionic symmetry-protected topological phases
Xing-Yu Ren, Shang-Qiang Ning, Yang Qi, Qing-Rui Wang, and Zheng-Cheng Gu, Phys. Rev. B 110, 235117 (2024).
Chiral spin-liquid-like state in pyrochlore iridate thin films
Xiaoran Liu, Jong-Woo Kim, Yao Wang, Michael Terilli, Xun Jia, Mikhail Kareev, Shiyu Peng, Fangdi Wen, Tsung-Chi Wu, Huyongqing Chen, Wanzheng Hu, Mary H. Upton, Jungho Kim, Yongseong Choi, Daniel Haskel, Hongming Weng, Philip J. Ryan, Yue Cao, Yang Qi, Jiandong Guo, and Jak Chakhalian, Nat. Commun. 15, 10348 (2024).
Anomalies in mirror symmetry enriched topological orders
Zhaoyang Ding and Yang Qi, Phys. Rev. B 110, 155151 (2024).
Universal collective Larmor-Silin mode emerging in magnetized correlated Dirac fermions
Chuang Chen, Yuan Da Liao, Chengkang Zhou, Gaopei Pan, Zi Yang Meng, and Yang Qi, Phys. Rev. B 110, L121112 (2024).
Evidence for distortion-induced local electric polarization in α-RuCl3
Xinrun Mi, De Hou, Xiao Wang, Sabreen Hammouda, Caixing Liu, Zijian Xiong, Han Li, Yan Liu, Guiwen Wang, Aifeng Wang, Yisheng Chai, Yang Qi, Wei Li, Xiaoyuan Zhou, Yixi Su, D. I. Khomskii, Mingquan He, Zhigao Sheng, and Young Sun, Sci. China- Phys. Mech. Astron. 67, 297511 (2024).
Magnetocaloric effect of topological excitations in Kitaev magnets
Han Li, Enze Lv, Ning Xi, Yuan Gao, Yang Qi, Wei Li, and Gang Su, Nat. Commun. 15, 7011 (2024).
Hidden orders and phase transitions for the fully packed quantum loop model on the triangular lattice
Xiaoxue Ran, Zheng Yan, Yan-Cheng Wang, Rhine Samajdar, Junchen Rong, Subir Sachdev, Yang Qi, and Zi Yang Meng, Commun. Phys. 7, 207 (2024).
Incremental SWAP operator for entanglement entropy: Application for exponential observables in quantum Monte Carlo simulation
Xuan Zhou, Zi Yang Meng, Yang Qi, and Yuan Da Liao, Phys. Rev. B 109, 165106 (2024).
Cubic^* criticality emerging from a quantum loop model on triangular lattice
Xiaoxue Ran, Zheng Yan, Yan-Cheng Wang, Junchen Rong, Yang Qi, and Zi Yang Meng, Phys. Rev. B 109, L241109 (2024).
Quantum criticality and entanglement for the two-dimensional long-range Heisenberg bilayer
Menghan Song, Jiarui Zhao, Yang Qi, Junchen Rong, and Zi Yang Meng, Phys. Rev. B 109, L081114 (2024).
Giant magnetocaloric effect in spin supersolid candidate Na₂BaCo(PO4)₂
Junsen Xiang, Chuandi Zhang, Yuan Gao, Wolfgang Schmidt, Karin Schmalzl, Chin-Wei Wang, Bo Li, Ning Xi, Xin-Yang Liu, Hai Jin, Gang Li, Jun Shen, Ziyu Chen, Yang Qi, Yuan Wan, Wentao Jin, Wei Li, Peijie Sun, and Gang Su, Nature 625, 270 (2024).
Oscillating paramagnetic Meissner effect and Berezinskii-Kosterlitz-Thouless transition in underdoped Bi₂Sr₂CaCu₂O_8+δ
S. Y. Wang, Y. Yu, J. X. Hao, K. Y. Liang, B. K. Xiang, J. J. Zhu, Y. S. Lin, Y. P. Pan, G. D. Gu, K. Watanabe, T. Taniguchi, Y. Qi, Y. Zhang, and Y. H. Wang, Natl. Sci. Rev. 11, nwad249 (2024).
Caution on Gross-Neveu criticality with a single Dirac cone: Violation of locality and its consequence of unexpected finite-temperature transition
Yuan Da Liao, Xiao Yan Xu, Zi Yang Meng, and Yang Qi, Phys. Rev. B 108, 195112 (2023).
Finite-temperature critical behaviors in 2D long-range quantum Heisenberg model
Jiarui Zhao, Menghan Song, Yang Qi, Junchen Rong, and Zi Yang Meng, npj Quantum Mater. 8, 59 (2023).
Stable computation of entanglement entropy for two-dimensional interacting fermion systems
Gaopei Pan, Yuan Da Liao, Weilun Jiang, Jonathan D'Emidio, Yang Qi, and Zi Yang Meng, Phys. Rev. B 108, L081123 (2023).
Enforced symmetry breaking by invertible topological order
Shang-Qiang Ning, Yang Qi, Zheng-Cheng Gu, and Chenjie Wang, Phys. Rev. Research 5, 023153 (2023).
Tangent Space Approach for Thermal Tensor Network Simulations of the 2D Hubbard Model
Qiaoyi Li, Yuan Gao, Yuan-Yao He, Yang Qi, Bin-Bin Chen, and Wei Li, Phys. Rev. Lett. 130, 226502 (2023).
Phase fluctuations in two-dimensional superconductors and pseudogap phenomenon
Xu-Cheng Wang and Yang Qi, Phys. Rev. B 107, 224502 (2023).
Fully packed quantum loop model on the square lattice: Phase diagram and application for Rydberg atoms
Xiaoxue Ran, Zheng Yan, Yan-Cheng Wang, Junchen Rong, Yang Qi, and Zi Yang Meng, Phys. Rev. B 107, 125134 (2023).
Ground-state phase diagram of the extended two-leg t−J ladder
Xin Lu, Dai-Wei Qu, Yang Qi, Wei Li, and Shou-Shu Gong, Phys. Rev. B 107, 125114 (2023).
Frustrated ferromagnetic transition in AB-stacked honeycomb bilayer
Shiyuan Wang, Yao Wang, Shaohua Yan, Cong Wang, Bingke Xiang, Keyi Liang, Qiushi He, Kenji Watanabe, Takashi Taniguchi, Shangjie Tian, Hechang Lei, Wei Ji, Yang Qi, and Yihua Wang, Sci. Bull. 67, 2557 (2022).
Dirac fermions with plaquette interactions. III. SU(N) phase diagram with Gross-Neveu criticality and first-order phase transition
Yuan Da Liao, Xiao Yan Xu, Zi Yang Meng, and Yang Qi, Phys. Rev. B 106, 155159 (2022).
Dirac fermions with plaquette interactions. II. SU(4) phase diagram with Gross-Neveu criticality and quantum spin liquid
Yuan Da Liao, Xiao Yan Xu, Zi Yang Meng, and Yang Qi, Phys. Rev. B 106, 115149 (2022).
Topological classification of intrinsic three-dimensional superconductors using anomalous surface construction
Zhongyi Zhang, Jie Ren, Yang Qi, and Chen Fang, Phys. Rev. B 106, L121108 (2022).
Spin supersolidity in nearly ideal easy-axis triangular quantum antiferromagnet Na₂BaCo(PO4)₂
Yuan Gao, Yu-Chen Fan, Han Li, Fan Yang, Xu-Tao Zeng, Xian-Lei Sheng, Ruidan Zhong, Yang Qi, Yuan Wan, and Wei Li, npj Quantum Materials 7, 89 (2022).
Superconductivity near the (2+1)-Dimensional Ferromagnetic Quantum Critical Point
Yunchao Hao, Gaopei Pan, Kai Sun, Zi Yang Meng and Yang Qi, Chin. Phys. Lett. 39 097102 (2022).
Dirac fermions with plaquette interactions. I. SU(2) phase diagram with Gross-Neveu and deconfined quantum criticalities
Yuan Da Liao, Xiao Yan Xu, Zi Yang Meng, and Yang Qi, Phys. Rev. B 106, 075111 (2022).
Real-space construction of crystalline topological superconductors and insulators in 2D interacting fermionic systems
Jian-Hao Zhang, Shuo Yang, Yang Qi, and Zheng-Cheng Gu, Phys. Rev. Research 4, 033081 (2022).
Network-Initialized Monte Carlo Based on Generative Neural Networks
Hongyu Lu, Chuhao Li, Bin-Bin Chen, Wei Li, Yang Qi, and Zi Yang Meng, Chin. Phys. Lett. 39, 050701 (2022).
Prediction of high Curie-temperature intrinsic ferromagnetic semiconductors and quantum anomalous Hall states in XBr₃ (X = Cu, Ag, Au) monolayers
Xiaojuan Liu, Jiayong Zhang, Yao Wang, Hairui Bao, Yang Qi, and Zhongqin Yang, J. Mat. Chem. C 10, 6497 (2022).
Computing Classification of Interacting Fermionic Symmetry-Protected Topological Phases Using Topological Invariants
Yunqing Ouyang, Qing-Rui Wang, Zheng-Cheng Gu, and Yang Qi, Chin. Phys. Lett. 38, 127101 (2021).
Nonlocal effects of low-energy excitations in quantum-spin-liquid candidate Cu₃Zn(OH)₆FBr
Yuan Wei, Xiaoyan Ma, Zili Feng, Yongchao Zhang, Lu Zhang, Huaixin Yang, Yang Qi, Zi Yang Meng, Yan-Cheng Wang, Youguo Shi, and Shiliang Li, Chin. Phys. Lett. 38, 097501 (2021).
Generalized Lieb-Schultz-Mattis theorem on bosonic symmetry protected topological phases
Shenghan Jiang, Meng Cheng, Yang Qi, and Yuan-Ming Lu, SciPost Phys. 11, 024 (2021).
Evidence for the random singlet phase in the honeycomb iridate SrIr₂O₆
Pengbo Song, Kejia Zhu, Fan Yang, Yuan Wei, Lu Zhang, Huaixin Yang, Xian-Lei Sheng, Yang Qi, Jiamin Ni, Shiyan Li, Yanchun Li, Guanghan Cao, Zi Yang Meng, Wei Li, Youguo Shi, and Shiliang Li, Phys. Rev. B 103, L241114 (2021).
Fermi arcs and pseudogap in a lattice model of a doped orthogonal metal
Chuang Chen, Tian Yuan, Yang Qi, and Zi Yang Meng, Phys. Rev. B 103, 165131 (2021).
Topological phase transition and single/multi anyon dynamics of Z₂ spin liquid
Zheng Yan, Yan-Cheng Wang, Nvsen Ma, Yang Qi and Zi Yang Meng, npj Quantum Materials 6, 39 (2021).
Phase diagram of triangular lattice quantum Ising model under external field
Yuan Da Liao, Han Li, Zheng Yan, Hao-Tian Wei, Wei Li, Yang Qi, and Zi Yang Meng, Phys. Rev. B 103, 104416 (2021).
Vestigial anyon condensation in kagome quantum spin liquids
Yan-Cheng Wang, Zheng Yan, Chenjie Wang, Yang Qi, and Zi Yang Meng, Phys. Rev. B 103, 014408 (2021).
Coexistence of antiferromagnetism and topological superconductivity on the honeycomb lattice Hubbard model
Yang Qi, Liang Fu, Kai Sun, and Zhengcheng Gu, Phys. Rev. B 102, 245140 (2020).
DMFT reveals the non-Hermitian topology and Fermi arcs in heavy-fermion systems
Yuki Nagai, Yang Qi, Hiroki Isobe, Vladyslav Kozii, and Liang Fu, Phys. Rev. Lett. 125, 227204 (2020).
Evidence of the Berezinskii-Kosterlitz-Thouless phase in a frustrated magnet
Ze Hu, Zhen Ma, Yuan-Da Liao, Han Li, Chunsheng Ma, Yi Cui, Yanyan Shangguan, Zhentao Huang, Yang Qi, Wei Li, Zi Yang Meng, Jinsheng Wen, and Weiqiang Yu, Nat. Comm. 11 5631 (2020).
Tuning topological orders by a conical magnetic field in the Kitaev model
Ming-Hong Jiang, Shuang Liang, Wei Chen, Yang Qi, Jian-Xin Li, and Qiang-Hua Wang, Phys. Rev. Lett. 125, 177203 (2020).
Universal thermodynamics in the Kitaev fractional liquid
Han Li, Dai-Wei Qu, Hao-Kai Zhang, Yi-Zhen Jia, Shou-Shu Gong, Yang Qi, and Wei Li, Phys. Rev. Research 2, 043015 (2020).
Real-space recipes for general topological crystalline states
Zhida Song, Chen Fang, and Yang Qi, Nat. Comm. 11, 4197 (2020).
Metal to Orthogonal Metal Transition
Chuang Chen, Xiao Yan Xu, Yang Qi, and Zi Yang Meng, Chin. Phys. Lett. 37, 047103 (2020).
Construction and classification of point group symmetry protected topological phases in 2D interacting fermionic systems
Jian-Hao Zhang, Qing-Rui Wang, Shuo Yang, Yang Qi, and Zheng-Cheng Gu, Phys. Rev. B 101, 100501 (2020).
Kosterlitz-Thouless melting of magnetic order in the triangular quantum Ising material TmMgGaO₄
Han Li, Yuan Da Liao, Bin-Bin Chen, Xu-Tao Zeng, Xian-Lei Sheng, Yang Qi, Zi Yang Meng, and Wei Li, Nat. Comm. 11, 1111 (2020)
Possible Kitaev Quantum Spin Liquid State in 2D Materials with S=3/2
Changsong Xu, Junsheng Feng, Mitsuaki Kawamura, Youhei Yamaji, Yousra Nahas, Sergei Prokhorenko, Yang Qi, Hongjun Xiang, and L. Bellaiche, Phys. Rev. Lett. 124, 087205 (2020).
Topological states from topological crystals
Zhida Song, Sheng-Jie Huang, Yang Qi, Chen Fang, and Michael Hermele, Sci. Adv. 5, eaax2007 (2019).
Anomalous Symmetry Protected Topological States in Interacting Fermion Systems
Qing-Rui Wang, Yang Qi, and Zheng-Cheng Gu, Phys. Rev. Lett. 123, 207003 (2019).
Revealing Fermionic Quantum Criticality from New Monte Carlo Techniques
Xiao Yan Xu, Zi Hong Liu, Gaopei Pan, Yang Qi, Kai Sun, and Zi Yang Meng, J. Phys.: Condens. Matter 31 463001 (2019).
Single-hole wave function in two dimensions: A case study of the doped Mott insulator
Shuai Chen, Qing-Rui Wang, Yang Qi, D. N. Sheng, and Zheng-Yu Weng, Phys. Rev. B 99, 205128 (2019).
Monte Carlo Study of Lattice Compact Quantum Electrodynamics with Fermionic Matter: The Parent State of Quantum Phases
Xiao Yan Xu, Yang Qi, Long Zhang, Fakher F. Assaad, Cenke Xu, and Zi Yang Meng, Phys. Rev. X 9, 021022 (2019).
Folding approach to topological order enriched by mirror symmetry
Yang Qi, Chao-Ming Jian, and Chenjie Wang, Phys. Rev. B 99, 085128 (2019).
Elective-momentum ultrasize quantum Monte Carlo method
Zi Hong Liu, Xiao Yan Xu, Yang Qi, Kai Sun, and Zi Yang Meng, Phys. Rev. B 99, 085114 (2019).
Dynamical Signature of Symmetry Fractionalization in Frustrated Magnets
Guang-Yu Sun, Yan-Cheng Wang, Chen Fang, Yang Qi, Meng Cheng, and Zi Yang Meng, Phys. Rev. Lett. 121, 077201 (2018).
Itinerant quantum critical point with frustration and a non-Fermi liquid
Zi Hong Liu, Xiao Yan Xu, Yang Qi, Kai Sun, and Zi Yang Meng, Phys. Rev. B 98, 045116 (2018).
Classification of symmetry fractionalization in gapped Z₂ spin liquids
Yang Qi and Meng Cheng, Phys. Rev. B 97, 115138 (2018).
Self-learning Monte Carlo method: Continuous-time algorithm
Yuki Nagai, Huitao Shen, Yang Qi, Junwei Liu, and Liang Fu, Phys. Rev. B 96, 161102(R) (2017).
Caution on emergent continuous symmetry: A Monte Carlo investigation of the transverse-field frustrated Ising model on the triangular and honeycomb lattices
Yan-Cheng Wang, Yang Qi, Shu Chen, and Zi Yang Meng, Phys. Rev. B 96 115160 (2017).
Exactly solvable models for symmetry-enriched topological phases
Meng Cheng, Zheng-Cheng Gu, Shenghan Jiang, and Yang Qi, Phys. Rev. B 96 115107 (2017).
Self-learning quantum Monte Carlo method in interacting fermion systems.
Xiao Yan Xu, Yang Qi, Junwei Liu, Liang Fu and Zi Yang Meng, Phys. Rev. B 96 041119(R) (2017).
Self-learning Monte Carlo method and cumulative update in fermion systems
Junwei Liu, Huitao Shen, Yang Qi, Zi Yang Meng and Liang Fu, Phys. Rev. B 95 241104(R) (2017).
Self-learning Monte Carlo method
Junwei Liu, Yang Qi, Zi Yang Meng and Liang Fu, Phys. Rev. B 95 041101(R) (2017).
Superconductivity from a confinement transition out of a fractionalized Fermi liquid with Z₂ topological and Ising-nematic orders
Shubhayu Chatterjee, Yang Qi, Subir Sachdev and Julia Steinberg, Phys. Rev. B 94 024502 (2016).
Anomalous Crystal Symmetry Fractionalization on the Surface of Topological Crystalline Insulators
Yang Qi and Liang Fu, Phys. Rev. Lett. 115 236801 (2015).
Double-semion topological order from exactly solvable quantum dimer models
Yang Qi, Zheng-Cheng Gu and Hong Yao, Phys. Rev. B 92 155105 (2015).
Charge modulation as fingerprints of phase-string triggered interference
Zheng Zhu, Chushun Tian, Hong-Chen Jiang, Yang Qi, Zheng-Yu Weng, and Jan Zaanen, Phys. Rev. B 92 035113 (2015).
Detecting crystal symmetry fractionalization from the ground state: Application to Z₂ spin liquids on the kagome lattice
Yang Qi and Liang Fu, Phys. Rev. B 91 100401(R) (2015).
Continuous phase transition from Néel state to Z₂ spin-liquid state on a square lattice
Yang Qi and Zheng-Cheng Gu, Phys. Rev. B 89 235112 (2014).
Loops, sign structures, and emergent Fermi statistics in three-dimensional quantum dimer models
Vsevolod Ivanov, Yang Qi, and Liang Fu, Phys. Rev. B 89 085128 (2014).
Strong correlation induced charge localization in antiferromagnets
Zheng Zhu, Hong-Chen Jiang, Yang Qi, Chushun Tian, and Zheng-Yu Weng, Sci. Rep. 3 2586 (2013).
Spin liquid phases for spin-1 systems on the triangular lattice
Cenke Xu, Fa Wang, Yang Qi, Leon Balents, and Matthew P. A. Fisher, Phys. Rev. Lett. 108 087204 (2012).
Effective theory of Fermi pockets in fluctuating antiferromagnets
Yang Qi and Subir Sachdev, Phys. Rev. B 81 115129 (2010).
Fluctuating spin density waves in metals
Subir Sachdev, Max A. Metlitski, Yang Qi, and Cenke Xu, Phys. Rev. B 80 155129 (2009).
Dynamics and transport of the Z₂ spin liquid: application to κ−(ET)₂Cu₂(CN)₃
Yang Qi, Cenke Xu, and Subir Sachdev, Phys. Rev. Lett. 102 176401 (2009).
Global phase diagram for magnetism and lattice distortion of iron-pnictide materials
Yang Qi and Cenke Xu, Phys. Rev. B 80 094402 (2009).
Experimental observables near a nematic quantum critical point in the pnictide and cuprate superconductors
Cenke Xu, Yang Qi and Subir Sachdev, Phys. Rev. B 78 134507 (2008).
Quantum phase transitions beyond the Landau paradigm in a Sp(4) spin system
Yang Qi and Cenke Xu, Phys. Rev. B 78 014410 (2008).
Insulator-metal transition on the triangular lattice
Yang Qi and Subir Sachdev, Phys. Rev. B 77 165112 (2008).