Basic Information

Email Address

• Email Address

  miyachi.taiga.8dkyoto-u.ac.jp

Professional Memberships

• From Jun. 2021, To Present

  The Physical Society of Japan

Academic Degree

• 25 Mar. 2022

  神戸大学修士（理学）
• 25 Mar. 2025

  神戸大学博士（理学）

Academic Resume (Undergraduate School/Majors)

• 神戸大学, 理学部物理学科, 卒業

Research History

• From Jun. 2026, To Present

  Kyoto University, Graduate School of Science, Program-Specific Assistant Professor
• From Apr. 2025, To May 2026

  Osaka Metropolitan University, Osaka Central Advanced Mathematica Institute, Special Researcher
• From Apr. 2023, To Mar. 2025

  Kobe University, Graduate School of Science, JSPS Research Fellowship for Young Scientists (DC2)
• From Apr. 2022, To Mar. 2023

  Kobe University, Graduate School of Science, Kobe University SPRING Scholarship Awardee

ID,URL

• ORCID ID

  0000-0003-0235-100X

• J-Global ID

  202601001040701741

• Researcher number

  31019483

researchmap URL

• https://researchmap.jp/TaigaMiyachi

Research

Research Interests

• Black hole
• Gravitational wave
• 宇宙論
• Quantum gravity
• Quantum field theory

Research Areas

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

Misc.

• Spectral instability of parametrized black hole quasinormal modes in the high-overtone limit via the exact WKB analysis

  Taiga Miyachi; Ryo Namba; Hidetoshi Omiya; Naritaka Oshita

  Physical Review D, 02 Jun. 2026

  
• A positive definite formulation of vacuum decay with reduced symmetry

  José R. Espinosa; Ryusuke Jinno; Thomas Konstandin; Shogo Matake; Taiga Miyachi

  Journal of Cosmology and Astroparticle Physics, 01 Oct. 2026

  
• Path to an exact WKB analysis of black hole quasinormal modes

  Taiga Miyachi; Ryo Namba; Hidetoshi Omiya; Naritaka Oshita

  Physical Review D, 24 Jun. 2025

  Access this misc :

  
• Stochastic Tunneling in de Sitter Spacetime

  Taiga Miyachi; Jiro Soda; Junsei Tokuda

  Universe, 11 Jul. 2024

  
• False vacuum decay in a two-dimensional black hole spacetime

  Taiga Miyachi; Jiro Soda

  Physical Review D, 22 Apr. 2021

  

Awards

• 30 Aug. 2023

  優秀発表賞（KEK研究会）