Welcome to
Rintaro Eto's Webpage
[↑Photo] Graduation ceremony of master's course @Waseda Univ. (Mar. 2023)
Rintaro Eto(衛藤 倫太郎)
Latest News
Sep 9, 2024 - Sep. 13, 2024
RE stays at Johannes Knolle Group [Technical University of Munich, Germany].Aug. 8, 2024
Our new paper has been published in Physical Review B.
2024年7月18日
「固体物理」誌(アグネ技術センター)トピックス欄に日本語解説記事
「近藤格子磁性体に現れるトポロジカル磁性のスピン-電荷励起の理論」衛藤倫太郎, 望月維人
が掲載されます。
Jul 8, 2024
RE gave a poster presentation at 25th International Colloquium on Magnetic Films and Surfaces (ICMFS2024).
Poster ID: MB 2
Title: Spin-wave modes and real-space topology in the quadruple-Q magnetic hedgehog lattices
Authors: RE, Masahito Mochizuki
May 31, 2024
Our new paper has been published in Physical Review Letters.
May 17, 2024 - Nov. 13, 2024
RE stays at Alexander Mook Group [Johannes Gutenberg University Mainz, Germany]. The travel expense is funded by the JSPS Overseas Challenge Program for Young Researchers.
Highlights
Predicted versatile topological nodal magnons in the icosahedral quasicrystal 1/1 approximants
RE, Masahito Mochizuki, and Shinji Watanabe, Coming Soon.
Multiple Floquet Chern insulator phases in the spin-charge coupled triangular lattice ferrimagnet: Crucial role of higher-order terms in the high-frequency expansion
近藤格子磁性体に現れるトポロジカル磁性のスピン-電荷励起の理論
[Review article written in Japanese]
固体物理 第59巻第7号(2024年7月号「トピックス」)pp. 13(369)-24(380).
← Our figure was selected as cover art!
Spin-wave modes in the quadruple-Q magnetic hedgehog lattices
Phys. Rev. Lett. 132, 226705 (2024). (arXiv:2403.01765)
■Press Release (in Japanese)
物質中の創発磁気モノポールが示す新規な集団振動現象を発見 (早稲田大学)
■Press Release (in English)
Uncovering the Nature of Emergent Magnetic Monopoles (Waseda University)
(See also) EurekAlert! Phys.org
Spin-charge decoupling in skyrmion crystals
Phys. Rev. Lett. 129, 017201 (2022). (arXiv:2203.01496)
■Press Releases (in Japanese)
新型スキルミオン結晶の特異な性質を発見(早稲田大学・東京大学・JST)
(See also) 東京大学工学部・大学院工学系研究科 プレスリリース (abstract in English)
(See also) 科学技術振興機構(JST) プレスリリース
Microwave-driven topology switching of skyrmion crystals
Research Interests
Topological magnons (Dirac/Weyl semimetal, nodal-line semimetal, topological crystalline insulator, higher-order topological insulator, ...)
Altermagnets
Perturbation theory and diagram expansion for magnons
Quantum spin liquids
Magnon-magnon interactions and their induced single- and many-particle topology
Multimagnon bound states
Quasicrystals and their approximants
Topological and chiral phonons
Topological magnetism (skyrmion crystal, hedgehog lattice, ...)
Floquet engineering