Research field (1)：
Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
Research theme for competitive and other funds (8)：
2023 - 2025 Primordial Black Holes as a probe of Electroweak Phase Transition and New Physics
2019 - 2023 Exploring the early Universe from the perspective of the next generation of precision cosmology
2019 - 2021 Implications of tensions in the Hubble parameter and sigma_8 for the extension of the standard cosmology and neutrino masses
2017 - 2021 New astrophysical researches by future 21cm line observations
2015 - 2020 Multifaceted Study of the Physics of the Inflationary Universe
2015 - 2019 Exploring the origin of density fluctuations and the evolution of the early Universe in the precision cosmology era
2011 - 2015 Exploring the early Universe with cosmological observations and particle physics
2007 - 2010 Particle cosmology in the era of precision cosmology
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Papers (116)：
Naoya Kitajima, Tomo Takahashi. Stochastic gravitational wave background from early dark energy. Journal of Cosmology and Astroparticle Physics. 2023. 2023. 10. 074-074
Takumi Shinohara, Wanqiu He, Yoshiki Matsuoka, Tohru Nagao, Teruaki Suyama, Tomo Takahashi. Supermassive primordial black holes: A view from clustering of quasars at z ~ 6. Physical Review D. 2023. 108. 6
Sung Mook Lee, Tanmoy Modak, Kin-ya Oda, Tomo Takahashi. Ultraviolet sensitivity in Higgs-Starobinsky inflation. Journal of Cosmology and Astroparticle Physics. 2023. 2023. 08. 045-045
Osamu Seto, Tomo Takahashi, Yo Toda. Variation of the fine structure constant in light of recent helium abundance measurement. Physical Review D. 2023. 108. 2
Tomo Takahashi, Sora Yamashita. Big bang nucleosynthesis and early dark energy in light of the EMPRESS Yp results and H0 tension. Physical Review D. 2023. 107. 10
