-
Chiara Animali, Baptiste Blachier, Nanoka Okada, Christophe Ringeval, Tomo Takahashi, and Koki Tokeshi
Time-reversed stochastic inflation in the quantum well
[arXiv: astro-ph.CO/2605.31323]
-
Hayami Iizuka, Daiki Saito, and Koki Tokeshi
Primordial black holes in excursion set theory: Formation probabilities, mass functions, and window functions
[arXiv: astro-ph.CO/2605.22789]
-
Tomo Takahashi and Koki Tokeshi
Multifield stochastic inflation: Relevance of number of fields in statistical moments
[arXiv: astro-ph.CO/2605.10656]
-
Daiki Saito and Koki Tokeshi
Primordial black holes and smooth coarse-graining in excursion set theory
[arXiv: astro-ph.CO/2512.22075]
[JCAP07(2026)012]
-
Yuta Nasuda, Koki Tokeshi, and Yuki Watanabe
Scalar field stochastic dynamics in de Sitter spacetime from exact solutions of quantum deficient oscillators
[arXiv: hep-th/2505.21429]
[PTEP 113E01 (2025)]
-
Tomo Takahashi and Koki Tokeshi
More fields are different: Stochastic view of multi-field inflationary scenario
[arXiv: astro-ph.CO/2504.11158]
-
Koki Tokeshi
Curvaton distribution from stochastic inflation
[arXiv: astro-ph.CO/2411.15849]
[JCAP06(2025)018]
-
Masazumi Honda, Ryusuke Jinno, and Koki Tokeshi
Exactly solvable stochastic spectator
[arXiv: astro-ph.CO/2409.16272]
[JCAP12(2024)044]
-
Koki Tokeshi and Vincent Vennin
Why does inflation look single field to us?
[arXiv: astro-ph.CO/2310.16649]
[PRL 132,
251001 (2024)]
-
Masazumi Honda, Ryusuke Jinno, Lucas Pinol, and Koki Tokeshi
Borel resummation of secular divergences in stochastic
inflation
[arXiv: hep-th/2304.02592]
[JHEP08(2023)060]
-
Jun Usami, Koki Tokeshi, Tomohiro Matsui, and Hiroshi Fukuyama
Superconducting Niobium Calorimeter for
Studies of
Adsorbed Helium Monolayers
[arXiv: cond-mat.other/2010.15295]
[JLTP 203 (2021) 1–10]
-
Koki Tokeshi, Keisuke Inomata, and Jun'ichi Yokoyama
Window function dependence of the novel mass function of
primordial black holes
[arXiv: astro-ph.CO/2005.07153]
[JCAP12(2020)038]