News

2025.11.17	"Supermassive black holes from inflation constrained by dark matter substructure" with Shin'ichiro Ando (GRAPPA, Amsterdam Universty), Shyam Balaji (King's College London) Malcolm Fairbairn (King's College London), and Nagisa Hiroshima (Yokohama National University) was published in Physical Review D (Phys. Rev. D 112, 103034)
2024.10.30	"Collective excitations in magnetic topological insulators and axion dark matter search" with Kentaro Nomura (Kyushu University) was published in Journal of High Energy Physics (JHEP 10, 225 (2024))
2023.08.29	"Supersymmetric Baryogenesis in a Hybrid Inflation Model" with Yoshihiro Gunji (Kanazawa University) and Takahiro Yoshida (Kaishi Professional University) was published in Journal of High Energy Physics (JHEP 08, 201 (2023))
2022.11.29	"Topology-insensitive axion mass in magnetic topological insulators" was published in Physical Review B (Phys. Rev. B 106, 195157).
2022.11.14	"Constraining the primordial curvature perturbation using dark matter substructure" with Shin'ichiro Ando (GRAPPA, Amsterdam Universty) and Nagisa Hiroshima (Toyama University) was published in Physical Review D (Phys. Rev. D 106, 103014).
2022.11.02	"Subcritical regime of hybrid inflation with modular A4 symmetry" with Yoshihiro Gunji (Kanazawa University) and Takahiro Yoshida (Kaishi Professional University/Niigata University) was published in Journal of High Energy Physics (JHEP 11 (2022), 002).
2022.03.03	"Axion-Gauge Field Dynamics with Backreaction" with Eiichiro Komatsu and Ippei Obata (MPA) was published in Journal of Cosmology and Astroparticle Physics (JCAP 03 (2022) 03, 010).
2021.12.23	"Subcritical hybrid inflation in a generalized superconformal model" with Yoshihiro Gunji (Kanazawa University) was published in Physical Review D（Phys. Rev. D 104, 123545）.
2021.07.15	"Sommerfeld-enhanced dark matter searches with dwarf spheroidal galaxies" with Shin'ichiro Ando (GRAPPA, Amsterdam University) was published in Physical Review D (Phys. Rev. D 104, 023016).
2021.07.06	"Axion mass in antiferromagnetic insulators" was published in Physical Review D (Phys. Rev. D 104, 016004).

Lecture

Theory of Relativity A, B (2018 - )

Exercise for Quantum Mechanics 1 A, B (2020 - )

Computational Physics A (2021 - )

Theoretical Physics a (2018 - )

Presentation and Debate (Seminar for freshman) (2017 - 2019)

Office

Natural Sciense&Technology Hall 5, room 530

Address

School of Mathematics & Physics, Kanazawa University

Kakuma, Kanazawa, 920-1192, Japan

Email: ishiwata_AT_hep.s.kanazawa-u.ac.jp (_AT_ replaced by @)