Ryo Okugawa Ph.D.

Job Assistant Professor
Group Mathematical Science Group
Laboratory M. Kotani Laboratory (will open in a new tab)
Address Room 4C, AIMR main building, Katahira Campus
(2-1-1, Katahira, Aoba-ku ,Sendai 980-8577)
Tel +81-22-217-6326
E-Mail ryo.okugawa.b6@tohoku.ac.jp

Research Interests

  • Topological materials

Main Publication List

  • "Dispersion of Fermi arcs in Weyl semimetals and their evolutions to Dirac cones”, R. Okugawa and S. Murakami, Phys. Rev. B 89, 235315 (2014)
  • "In-Plane Electric Polarization of Bilayer Graphene Nanoribbons Induced by an Interlayer Bias Voltage”, R. Okugawa, J. Tanaka, T. Koretsune, S. Saito, and S. Murakami, Phys. Rev. Lett. 115, 156601 (2015)
  • "Universal phase transition and band structures for spinless nodal-line and Weyl semimetals”, R. Okugawa and S. Murakami, Phys. Rev. B 96, 115201 (2017)
  • "Generic phase diagram for Weyl superconductivity in mirror-symmetric superconductors”, R. Okugawa and T. Yokoyama, Phys. Rev. B 97, 060504(R) (2018)
  • "Topological exceptional surfaces in non-Hermitian systems with parity-time and parity-particle-hole symmetries”, R. Okugawa and T. Yokoyama, Phys. Rev. B 99, 041202(R) (2019)