Researchers

OSHITA Naritaka

OSHITA Naritaka
Lecturer
Faculty Department of Science
Researchmap https://researchmap.jp/naritaka_oshita

Education and Career

Education

  • 2011/04 - 2014/03 , Hiroshima University, Faculty of Science,
  • 2014/04 - 2019/03 , The University of Tokyo, Graduate School of Science,

Academic & Professional Experience

  • Apr. 2026 - Today , Kindai University Faculty of Science and Engineering Department of Science Lecturer
  • May. 2023 - Today , RIKEN 数理創造プログラム 客員研究員
  • Apr. 2023 - Mar. 2026 , 京都大学 白眉センター 特定助教
  • Apr. 2021 - Mar. 2023 , RIKEN Interdisciplinary Theoretical and Mathematical Sciences Program Special Postdoctoral Researcher
  • Apr. 2019 - Mar. 2021 , Perimeter Institute for Theoretical Physics JSPS Fellow

Research Activities

Research Areas

  • Natural sciences, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Research Interests

black holes, gravity, gravitational wave, cosmology, quantum field theory

Published Papers

  1. Exceptional lines and excitation of nearly double-pole quasinormal modes: A semianalytic study in the Nariai black hole
    Nao Nakamoto; Naritaka Oshita
    Physical Review D  113  (10)  13, May. 2026 
  2. Dynamical tidal response of nonrotating black holes: Connecting the Mano-Suzuki-Takasugi formalism and worldline EFT
    Hajime Kobayashi; Shinji Mukohyama; Naritaka Oshita; Kazufumi Takahashi; Vicharit Yingcharoenrat
    Physical Review D  113  (8)  6, Apr. 2026 
  3. Slowly decaying ringdown of a rapidly spinning black hole. II. Inferring the masses and spins of supermassive black holes with LISA
    Daiki Watarai; Naritaka Oshita; Daichi Tsuna
    Physical Review D  113  (4)  9, Feb. 2026 

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Awards & Honors

  1. Sep. 2022, Scholarship of Particle Physics, Nakamura Seitaro Prize
  2. Mar. 2019, The University of Tokyo, School of Science Encouragement Award

Research Grants & Projects

  1. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Fundamental study of the black hole quasi-normal modes and gravitational-wave ringdown , Kyoto University
  2. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Fundamental study of vacuum decay towards the application to cosmology and particle physics , Institute of Physical and Chemical Research
  3. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Testing the quantum field theory in curved spacetime with the Unruh effect , The University of Tokyo