Ryo Takahashi Ph.D.

Job Specially Appointed Assistant Professor, WPI-AIMR
Group Materials Physics Group
Laboratory T. Ozawa Laboratory (will open in a new tab)
Address Room 4A, AIMR main building, Katahira Campus
(2-1-1,Katahira,Aoba-ku,Sendai,980-8577)
Tel +81-22-217-5937
E-Mail ryo.takahashi.b6@tohoku.ac.jp

Research Interests

    • Topological insulators and semimetals
    • Crystal symmetry
    • Non-Hermitian systems
    • Electrical circuit system

    Main Publication List

    • “Non-Hermitian band topology with generalized inversion symmetry”, Ryo Okugawa, Ryo Takahashi, and Kazuki Yokomizo, Phys. Rev. B 103, 205205 (2021)
    • “General corner charge formula in two-dimensional Cn-symmetric higher-order topological insulators”, Ryo Takahashi, Tiantian Zhang, and Shuichi Murakami, Phys. Rev. B 103, 205123 (2021)
    • “Second-order topological non-Hermitian skin effects”, Ryo Okugawa, Ryo Takahashi, and Kazuki Yokomizo, Phys. Rev. B 102, 241202(R) (2020)
    • “Bulk-edge and bulk-hinge correspondence in inversion-symmetric insulators”, Ryo Takahashi, Yutaro Tanaka, and Shuichi Murakami, Phys. Rev. Research 2, 013300 (2020)
    • “Spinless hourglass nodal-line semimetals”, Ryo Takahashi, Motoaki Hirayama, and Shuichi Murakami, Phys. Rev. B 96, 155206 (2017)