Publications

Katsuya T. Abe, Yuichiro Tada (2023). Translating nano-Hertz gravitational wave background into primordial perturbations taking account of the cosmological QCD phase transition. ArXiv e-prints.

Cite DOI arXiv

Katsuya T. Abe, Ryoto Inui, Yuichiro Tada, Shuichiro Yokoyama (2023). Primordial black holes and gravitational waves induced by exponential-tailed perturbations. JCAP.

Cite DOI arXiv

Katsuya T. Abe (2022). Cosmological contribution from population III stars in ultracompact minihalos. PRD.

Cite DOI arXiv

Katsuya T. Abe, Hiroyuki Tashiro (2022). Cosmological free-free emission from dark matter halos in the ensuremathŁambda CDM model. PRD.

Cite DOI arXiv

Katsuya T. Abe, Teppei Minoda, Hiroyuki Tashiro (2022). Constraint on the early-formed dark matter halos using the free-free emission in the Planck foreground analysis. PRD.

Cite DOI arXiv

Hiroyuki Tashiro, Katsuya T. Abe, Teppei Minoda (2021). Free-free background radiation from accreting primordial black holes. ArXiv e-prints.

Cite DOI arXiv

Katsuya T. Abe, Yuichiro Tada, Ikumi Ueda (2021). Induced gravitational waves as a cosmological probe of the sound speed during the QCD phase transition. JCAP.

Cite DOI arXiv

Katsuya T. Abe, Hiroyuki Tashiro (2021). Population III star explosions and Planck 2018 data. PRD.

Cite DOI arXiv

Kunihiko Furugori, Katsuya T. Abe, Toshiyuki Tanaka, Daiki Hashimoto, Hiroyuki Tashiro, Kenji Hasegawa (2020). The 21-cm signals from ultracompact minihaloes as a probe of primordial small-scale fluctuations. MNRAS.

Cite DOI arXiv

Katsuya T. Abe, Hiroyuki Tashiro, Toshiyuki Tanaka (2019). Thermal Sunyaev-Zel'dovich anisotropy due to primordial black holes. PRD.

Cite DOI arXiv