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RESEARCH

  • RESEARCH
  • JRG
    • RESEARCH

    JRG - Junior Research Groups

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    Non-Hermitian Physics

    Group Introduction

    Due to advancements in loss engineering within classical wave systems, non-Hermitian physics has recently attracted considerable attention. Our research group is committed to understanding the unique physical phenomena present in non-Hermitian systems, like the non-Hermitian skin effect, and to developing the corresponding theoretical tools, like the generalized Brillouin zone theory. Recently, we have been particularly interested in exploring complex frequency detection in non-Hermitian and quantum many-body systems.

    Leader

    • Leader

      Prof. Zhesen YANG

      Prof. Zhesen YANG

      Professor Zhesen Yang obtained his Ph.D from the Institute of Physics, Chinese Academy of Sciences in 2020 under the supervision of Professor Jiangping Hu. He has worked as a researcher at the Kavli Institute for Theoretical Sciences (KITS) at the University of Chinese Academy of Sciences (UCAS) and as a professor at the Xiamen University. He joined the Asia Pacific Center for Theoretical Physics as a Junior Research Group Leader in 2025.

      • 054-279-1345

      • zhesen.yang@apctp.org

      • 542

        542

    Members

    Major Publications

    • Non-Hermitian Bulk-Boundary Correspondence and Auxiliary Generalized Brillouin Zone Theory

    • Jones Polynomial and Knot Transitions in Hermitian and non-Hermitian Topological Semimetals (Editors\' Suggestion)

    • Fermion Doubling Theorems in Two-Dimensional Non-Hermitian Systems for Fermi Points and Exceptional Points (Editors\' Suggestion)

    • Non-Hermitian Skin Modes Induced by On-Site Dissipations and Chiral Tunneling Effect

    • Dynamical Degeneracy Splitting and Directional Invisibility in Non-Hermitian Systems