Department of Physics, Tokyo Institute of Technology
Condensed Matter Theory Group, Koga Laboratory
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1. Impact of Stealthy Hyperuniform Magnetic Impurity Configurations on Bulk Magnetism in a Two-dimensional Heisenberg Model
K. Asakura, K. Yamamoto, and A. Koga, arXiv:2602.22484.
2. Generalized Nagaoka ferromagnetism accompanied by flavor-selective Mott states in an SU(N) Fermi-Hubbard model
J. Fujii, K. Yamamoto, and A. Koga, arXiv:2512.01264.
3. Elliptical-rod geometries enhance photonic band gaps in disordered stealthy hyperuniform photonic crystals
K. Asakura, K. Yamamoto, and A. Koga, J. Phys. Soc. Jpn. 95, 024711 (2026).
4. Holographic Aspects of Dynamical Mean-Field Theory
K. Okunishi and A. Koga, arXiv:2509.19704.
5. Itinerant ferromagnetism in an SU(3) Fermi-Hubbard model at finite temperature: A DMFT study
J. Fujii, K . Yamamoto, and A. Koga, Phys. Rev. B 112, 115136 (2025).
Department of Physics, Tokyo Institute of Technology
2-12-1 Oookayama, Meguro-ku, Tokyo 152-8551, Japan