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- Collective modes in Fulde-Ferrell-Larkin-Ovchinnikov superconductors:
Role of long-range Coulomb interaction and signatures in density response

  Ryoga Miwa,Ryoi Ohashi,Satoshi Fujimoto, and Takeshi Mizushima

Phys. Rev. B 111, 054516(2025)


- Anisotropic paramagnetic response of topological Majorana surface states in the superconductor UTe2
  Ryoi Ohashi, Jushin Tei, Yukio Tanaka, Takeshi Mizushima, and Satoshi Fujimoto

Phys. Rev. B 110, 174521(2024)



- Surface density of states and tunneling spectroscopy of a spin-3/2 superconductor with Bogoliubov Fermi surfaces
  Ryoi Ohashi, Shingo Kobayashi, Shotaro Kanazawa, Yukio Tanaka, and Yuki Kawaguchi

Phys. Rev. B 110, 104515(2024)



- Andreev-like Reflection in the Pfaffian Fractional Quantum Hall Effect
  Ryoi Ohashi, Ryota Nakai, Takehito Yokoyama, Yukio Tanaka, and Kentaro Nomura

J.Phys.Soc.Jpn.91,123703(Published 22 November 2022)



- Possible topological phases in quantum anomalous Hall insulator/unconventional
 superconductor hybrid systems

  Ryoi Ohashi, Shingo Kobayashi, and Yukio Tanaka

Phys.Rev.B 104,134518(Published 28 October 2021)



- Theory of Tunneling Effect in 1D AIII-class Topological Insulator (Nanowire)
 Proximity Coupled with a Superconductor

  Ryoi Ohashi, Yukio Tanaka, and Keiji Yada

J.Phys.Soc.Jpn.89,054701(2020)