Recent News

- TTQM2023 Kashiwa
- The Physical Society of Japan, Annual meeting 9/16-9/19 (2023), Tohoku Univ.
- Nontrivial Topology of Nontopological Nonlinear Waves
- Shiro Sakai will tell us on hyperuniformity !
- Heat carrying corner states of breathing Kagome
- Z
_{2}× Z_{2}symmetry and Z_{4}quantization in bosonic ladders - Hidenori Fukaya will be telling us on dyon & topological insulators
- Negative index photonic crystal induces non hermitian physics
- Diophantine equation of SU(Q) topological pump
- Funding 2023

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Y. Hatsugai, T. Fukui, and H. Aoki, Phys. Rev. B 74, 205414 (2006)

- Y. Hatsugai, J. Phys. Soc. Jpn. 73, 2604 (2004)
- “Explicit Gauge Fixing for Degenerate Multiplets: A Generic Setup for Topological Orders”
- Y. Hatsugai, J. Phys. Soc. Jpn. 75, 123601 (2006)
- “Quantized Berry Phases as a Local Order Parameter of a Quantum Liquid”
- Y. Hatsugai,
*New J. Phys.***12**065004 (2010) - “Symmetry-protected \(\mathbb{Z}_2\)-quantization and quaternionic Berry connection with Kramers degeneracy”