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Qingrui Wang

Assistant Professor, Yau Mathematical Sciences Center, Tsinghua University

Basic Information

Email
wangqr (at) tsinghua.edu.cn
Office
Shuangqing Complex Building B522
Personal Website
qr-wang.github.io

Research Areas

Mathematical physics, condensed matter theory, topological phases of matter, and symmetry-protected topological phases.

Education

  • 2007-2011, B.S., Tsinghua University.
  • 2011-2016, Ph.D., Tsinghua University.

Employment

  • 2021-present, Assistant Professor, Yau Mathematical Sciences Center, Tsinghua University.
  • 2019-2021, Postdoctoral Fellow, Yale University.
  • 2016-2019, Postdoctoral Fellow, Chinese University of Hong Kong.

Research Summary

Qingrui Wang studies topological phases of matter through field-theoretic, lattice, and categorical descriptions. His recent work extends earlier classifications of interacting fermionic symmetry-protected phases toward interfaces, anomalous boundaries, stacking structures, and continuum TQFT descriptions of non-Abelian topological order. The emphasis is on matching microscopic constructions with effective topological field theories, so that phenomena such as embedded Majorana islands, non-invertible symmetries, and mixed anomalies can be understood as different aspects of the same underlying topological data.

Representative Publications

  • Q.-R. Wang, Z.-C. Gu, “Towards a complete classification of symmetry-protected topological phases for interacting fermions in three dimensions and a general group supercohomology theory,” Phys. Rev. X 8 (2018) 011055.
  • M. Cheng, C. Wang, Z.-C. Gu, Q.-R. Wang, “Topological quantum field theory for Abelian topological phases and loop braiding statistics in (3+1)-dimensions,” Phys. Rev. B 99 (2019) 235137.
  • Y. Qi, Z.-C. Gu, Q.-R. Wang, “Anomalous symmetry protected topological states in interacting fermion systems,” Phys. Rev. Lett. 123 (2019) 207003.
  • J.-H. Zhang, S. Yang, Y. Qi, Z.-C. Gu, Q.-R. Wang, “Construction and classification of point group symmetry protected topological phases in 2D interacting fermionic systems,” Phys. Rev. B 101 (2020) 100501(R).
  • Q.-R. Wang, Z.-C. Gu, “Construction and classification of symmetry protected topological phases in interacting fermion systems,” Phys. Rev. X 10 (2020) 031055.
  • S.-Q. Ning, C. Wang, Z.-C. Gu, Q.-R. Wang, “Edge theories of two-dimensional fermionic symmetry protected topological phases protected by unitary Abelian symmetries,” Phys. Rev. B 104 (2021) 075151.
  • J.-R. Zhou, C. Wang, Z.-C. Gu, Q.-R. Wang, “Non-Abelian three-loop braiding statistics for 3D fermionic topological phases,” Nat. Commun. 12 (2021) 3191.

Links