• Jul. 17, 2025

Our new paper has been published in Physical Review B.

• 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.

• 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